send.c File Reference

Prepare and send an email. More...

#include "config.h"
#include <errno.h>
#include <locale.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "alias/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "send.h"
#include "lib.h"
#include "compose.h"
#include "context.h"
#include "copy.h"
#include "handler.h"
#include "hdrline.h"
#include "hook.h"
#include "maillist.h"
#include "mutt_attach.h"
#include "mutt_body.h"
#include "mutt_globals.h"
#include "mutt_header.h"
#include "mutt_logging.h"
#include "mutt_parse.h"
#include "muttlib.h"
#include "options.h"
#include "pattern.h"
#include "protos.h"
#include "recvattach.h"
#include "rfc3676.h"
#include "sort.h"
#include "ncrypt/lib.h"
#include "mx.h"
#include "nntp/lib.h"
#include "remailer.h"
#include "notmuch/lib.h"
#include "imap/lib.h"
#include "autocrypt/lib.h"

Include dependency graph for send.c:

Go to the source code of this file.

Functions
static void	append_signature (FILE *fp, struct ConfigSubset *sub)
	Append a signature to an email. More...
static void	remove_user (struct AddressList *al, bool leave_only)
	Remove any address which matches the current user. More...
static void	add_mailing_lists (struct AddressList *out, const struct AddressList *t, const struct AddressList *c)
	Search Address lists for mailing lists. More...
int	mutt_edit_address (struct AddressList *al, const char *field, bool expand_aliases)
	Edit an email address. More...
static int	edit_envelope (struct Envelope *en, SendFlags flags, struct ConfigSubset *sub)
	Edit Envelope fields. More...
static char *	nntp_get_header (const char *s)
	Get the trimmed header. More...
static void	process_user_recips (struct Envelope *env)
	Process the user headers. More...
static void	process_user_header (struct Envelope *env)
	Process the user headers. More...
void	mutt_forward_intro (struct Mailbox *m, struct Email *e, FILE *fp, struct ConfigSubset *sub)
	Add the "start of forwarded message" text. More...
void	mutt_forward_trailer (struct Mailbox *m, struct Email *e, FILE *fp, struct ConfigSubset *sub)
	Add a "end of forwarded message" text. More...
static int	include_forward (struct Mailbox *m, struct Email *e, FILE *fp_out, struct ConfigSubset *sub)
	Write out a forwarded message. More...
static int	inline_forward_attachments (struct Mailbox *m, struct Email *e, struct Body ***plast, enum QuadOption *forwardq, struct ConfigSubset *sub)
	Add attachments to an email, inline. More...
void	mutt_make_attribution (struct Mailbox *m, struct Email *e, FILE *fp_out, struct ConfigSubset *sub)
	Add "on DATE, PERSON wrote" header. More...
void	mutt_make_post_indent (struct Mailbox *m, struct Email *e, FILE *fp_out, struct ConfigSubset *sub)
	Add suffix to replied email text. More...
static int	include_reply (struct Mailbox *m, struct Email *e, FILE *fp_out, struct ConfigSubset *sub)
	Generate the reply text for an email. More...
static const struct AddressList *	choose_default_to (const struct Address *from, const struct Envelope *env, struct ConfigSubset *sub)
	Pick the best 'to:' value. More...
static int	default_to (struct AddressList *to, struct Envelope *env, SendFlags flags, int hmfupto, struct ConfigSubset *sub)
	Generate default email addresses. More...
int	mutt_fetch_recips (struct Envelope *out, struct Envelope *in, SendFlags flags, struct ConfigSubset *sub)
	Generate recpients for a reply email. More...
static void	add_references (struct ListHead *head, struct Envelope *env)
	Add the email's references to a list. More...
static void	add_message_id (struct ListHead *head, struct Envelope *env)
	Add the email's message ID to a list. More...
void	mutt_fix_reply_recipients (struct Envelope *env, struct ConfigSubset *sub)
	Remove duplicate recipients. More...
void	mutt_make_forward_subject (struct Envelope *env, struct Mailbox *m, struct Email *e, struct ConfigSubset *sub)
	Create a subject for a forwarded email. More...
void	mutt_make_misc_reply_headers (struct Envelope *env, struct Envelope *curenv, struct ConfigSubset *sub)
	Set subject for a reply. More...
void	mutt_add_to_reference_headers (struct Envelope *env, struct Envelope *curenv, struct ConfigSubset *sub)
	Generate references for a reply email. More...
static void	make_reference_headers (struct EmailList *el, struct Envelope *env, struct ConfigSubset *sub)
	Generate reference headers for an email. More...
static int	envelope_defaults (struct Envelope *env, struct Mailbox *m, struct EmailList *el, SendFlags flags, struct ConfigSubset *sub)
	Fill in some defaults for a new email. More...
static int	generate_body (FILE *fp_tmp, struct Email *e, SendFlags flags, struct Mailbox *m, struct EmailList *el, struct ConfigSubset *sub)
	Create a new email body. More...
void	mutt_set_followup_to (struct Envelope *env, struct ConfigSubset *sub)
	Set followup-to field. More...
static void	set_reverse_name (struct AddressList *al, struct Envelope *env, struct ConfigSubset *sub)
	Try to set the 'from' field from the recipients. More...
struct Address *	mutt_default_from (struct ConfigSubset *sub)
	Get a default 'from' Address. More...
static int	invoke_mta (struct Email *e, struct ConfigSubset *sub)
	Send an email. More...
void	mutt_encode_descriptions (struct Body *b, bool recurse, struct ConfigSubset *sub)
	rfc2047 encode the content-descriptions More...
static void	decode_descriptions (struct Body *b)
	rfc2047 decode them in case of an error More...
static void	fix_end_of_file (const char *data)
	Ensure a file ends with a linefeed. More...
int	mutt_resend_message (FILE *fp, struct Context *ctx, struct Email *e_cur, struct ConfigSubset *sub)
	Resend an email. More...
static bool	is_reply (struct Email *reply, struct Email *orig)
	Is one email a reply to another? More...
static bool	search_attach_keyword (char *filename, struct ConfigSubset *sub)
	Search an email for 'attachment' keywords. More...
static int	save_fcc (struct Email *e, struct Buffer *fcc, struct Body *clear_content, char *pgpkeylist, SendFlags flags, char **finalpath, struct ConfigSubset *sub)
	Save an Email to a 'sent mail' folder. More...
static int	postpone_message (struct Email *e_post, struct Email *e_cur, const char *fcc, SendFlags flags, struct ConfigSubset *sub)
	Save an Email for another day. More...
int	mutt_send_message (SendFlags flags, struct Email *e_templ, const char *tempfile, struct Context *ctx, struct EmailList *el, struct ConfigSubset *sub)
	Send an email. More...

Detailed Description

Prepare and send an email.

Authors

• Michael R. Elkins
• Pietro Cerutti

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file send.c.

Function Documentation

append_signature()

static void append_signature ( FILE *  fp, struct ConfigSubset *  sub  )

static

Append a signature to an email.

Parameters

fp	File to write to
sub	Config Subset

Definition at line 92 of file send.c.

{
  FILE *fp_tmp = NULL;
  pid_t pid;

  const char *c_signature = cs_subset_path(sub, "signature");
  if (c_signature && (fp_tmp = mutt_open_read(c_signature, &pid)))
  {
    const bool c_sig_dashes = cs_subset_bool(sub, "sig_dashes");
    if (c_sig_dashes)
      fputs("\n-- \n", fp);
    mutt_file_copy_stream(fp_tmp, fp);
    mutt_file_fclose(&fp_tmp);
    if (pid != -1)
      filter_wait(pid);
  }
}

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remove_user()

static void remove_user ( struct AddressList *  al, bool  leave_only  )

static

Remove any address which matches the current user.

Parameters

al	List of addresses
leave_only	If set, don't remove the user's address if it it the only one in the list

Definition at line 116 of file send.c.

{
  struct Address *a = NULL, *tmp = NULL;
  TAILQ_FOREACH_SAFE(a, al, entries, tmp)
  {
    if (mutt_addr_is_user(a) && (!leave_only || TAILQ_NEXT(a, entries)))
    {
      TAILQ_REMOVE(al, a, entries);
      mutt_addr_free(&a);
    }
  }
}

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add_mailing_lists()

static void add_mailing_lists ( struct AddressList *  out, const struct AddressList *  t, const struct AddressList *  c  )

static

Search Address lists for mailing lists.

Parameters

out	Address list where to append matching mailing lists
t	'To' Address list
c	'Cc' Address list

Definition at line 135 of file send.c.

{
  const struct AddressList *const als[] = { t, c };

  for (size_t i = 0; i < mutt_array_size(als); ++i)
  {
    const struct AddressList *al = als[i];
    struct Address *a = NULL;
    TAILQ_FOREACH(a, al, entries)
    {
      if (!a->group && mutt_is_mail_list(a))
      {
        mutt_addrlist_append(out, mutt_addr_copy(a));
      }
    }
  }
}

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mutt_edit_address()

int mutt_edit_address	(	struct AddressList *	al,
		const char *	field,
		bool	expand_aliases
	)

Edit an email address.

Parameters

[in,out]	al	AddressList to edit
[in]	field	Prompt for user
[in]	expand_aliases	If true, expand Address aliases

Return values

0	Success
-1	Failure

Definition at line 162 of file send.c.

{
  char buf[8192];
  char *err = NULL;
  int idna_ok = 0;

  do
  {
    buf[0] = '\0';
    mutt_addrlist_to_local(al);
    mutt_addrlist_write(al, buf, sizeof(buf), false);
    if (mutt_get_field(field, buf, sizeof(buf), MUTT_ALIAS) != 0)
      return -1;
    mutt_addrlist_clear(al);
    mutt_addrlist_parse2(al, buf);
    if (expand_aliases)
      mutt_expand_aliases(al);
    idna_ok = mutt_addrlist_to_intl(al, &err);
    if (idna_ok != 0)
    {
      mutt_error(_("Bad IDN: '%s'"), err);
      FREE(&err);
    }
  } while (idna_ok != 0);
  return 0;
}

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edit_envelope()

static int edit_envelope ( struct Envelope *  en, SendFlags  flags, struct ConfigSubset *  sub  )

static

Edit Envelope fields.

Parameters

en	Envelope to edit
flags	Flags, see SendFlags
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 197 of file send.c.

{
  char buf[8192];

#ifdef USE_NNTP
  if (OptNewsSend)
  {
    if (en->newsgroups)
      mutt_str_copy(buf, en->newsgroups, sizeof(buf));
    else
      buf[0] = '\0';
    if (mutt_get_field("Newsgroups: ", buf, sizeof(buf), MUTT_COMP_NO_FLAGS) != 0)
      return -1;
    FREE(&en->newsgroups);
    en->newsgroups = mutt_str_dup(buf);

    if (en->followup_to)
      mutt_str_copy(buf, en->followup_to, sizeof(buf));
    else
      buf[0] = '\0';

    const bool c_ask_follow_up = cs_subset_bool(sub, "ask_follow_up");
    if (c_ask_follow_up &&
        (mutt_get_field("Followup-To: ", buf, sizeof(buf), MUTT_COMP_NO_FLAGS) != 0))
    {
      return -1;
    }
    FREE(&en->followup_to);
    en->followup_to = mutt_str_dup(buf);

    if (en->x_comment_to)
      mutt_str_copy(buf, en->x_comment_to, sizeof(buf));
    else
      buf[0] = '\0';

    const bool c_x_comment_to = cs_subset_bool(sub, "x_comment_to");
    const bool c_ask_x_comment_to = cs_subset_bool(sub, "ask_x_comment_to");
    if (c_x_comment_to && c_ask_x_comment_to &&
        (mutt_get_field("X-Comment-To: ", buf, sizeof(buf), MUTT_COMP_NO_FLAGS) != 0))
    {
      return -1;
    }
    FREE(&en->x_comment_to);
    en->x_comment_to = mutt_str_dup(buf);
  }
  else
#endif
  {
    if ((mutt_edit_address(&en->to, _("To: "), true) == -1) || TAILQ_EMPTY(&en->to))
      return -1;

    const bool c_askcc = cs_subset_bool(sub, "askcc");
    if (c_askcc && (mutt_edit_address(&en->cc, _("Cc: "), true) == -1))
      return -1;

    const bool c_askbcc = cs_subset_bool(sub, "askbcc");
    if (c_askbcc && (mutt_edit_address(&en->bcc, _("Bcc: "), true) == -1))
      return -1;

    const bool c_reply_with_xorig = cs_subset_bool(sub, "reply_with_xorig");
    if (c_reply_with_xorig && (flags & (SEND_REPLY | SEND_LIST_REPLY | SEND_GROUP_REPLY)) &&
        (mutt_edit_address(&en->from, "From: ", true) == -1))
    {
      return -1;
    }
  }

  if (en->subject)
  {
    const bool c_fast_reply = cs_subset_bool(sub, "fast_reply");
    if (c_fast_reply)
      return 0;
    mutt_str_copy(buf, en->subject, sizeof(buf));
  }
  else
  {
    const char *p = NULL;

    buf[0] = '\0';
    struct ListNode *uh = NULL;
    STAILQ_FOREACH(uh, &UserHeader, entries)
    {
      size_t plen = mutt_istr_startswith(uh->data, "subject:");
      if (plen)
      {
        p = mutt_str_skip_email_wsp(uh->data + plen);
        mutt_str_copy(buf, p, sizeof(buf));
      }
    }
  }

  const enum QuadOption c_abort_nosubject =
      cs_subset_quad(sub, "abort_nosubject");
  if ((mutt_get_field(_("Subject: "), buf, sizeof(buf), MUTT_COMP_NO_FLAGS) != 0) ||
      ((buf[0] == '\0') &&
       (query_quadoption(c_abort_nosubject, _("No subject, abort?")) != MUTT_NO)))
  {
    mutt_message(_("No subject, aborting"));
    return -1;
  }
  mutt_str_replace(&en->subject, buf);

  return 0;
}

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nntp_get_header()

static char* nntp_get_header ( const char *  s )

static

Get the trimmed header.

Parameters

s	Header line with leading whitespace

Return values

ptr	Copy of string

Note

The caller should free the returned string.

Definition at line 310 of file send.c.

{
  SKIPWS(s);
  return mutt_str_dup(s);
}

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process_user_recips()

static void process_user_recips ( struct Envelope *  env )

static

Process the user headers.

Parameters

env	Envelope to populate

Definition at line 321 of file send.c.

{
  struct ListNode *uh = NULL;
  STAILQ_FOREACH(uh, &UserHeader, entries)
  {
    size_t plen;
    if ((plen = mutt_istr_startswith(uh->data, "to:")))
      mutt_addrlist_parse(&env->to, uh->data + plen);
    else if ((plen = mutt_istr_startswith(uh->data, "cc:")))
      mutt_addrlist_parse(&env->cc, uh->data + plen);
    else if ((plen = mutt_istr_startswith(uh->data, "bcc:")))
      mutt_addrlist_parse(&env->bcc, uh->data + plen);
#ifdef USE_NNTP
    else if ((plen = mutt_istr_startswith(uh->data, "newsgroups:")))
      env->newsgroups = nntp_get_header(uh->data + plen);
    else if ((plen = mutt_istr_startswith(uh->data, "followup-to:")))
      env->followup_to = nntp_get_header(uh->data + plen);
    else if ((plen = mutt_istr_startswith(uh->data, "x-comment-to:")))
      env->x_comment_to = nntp_get_header(uh->data + plen);
#endif
  }
}

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process_user_header()

static void process_user_header ( struct Envelope *  env )

static

Process the user headers.

Parameters

env	Envelope to populate

Definition at line 348 of file send.c.

{
  struct ListNode *uh = NULL;
  STAILQ_FOREACH(uh, &UserHeader, entries)
  {
    size_t plen;
    if ((plen = mutt_istr_startswith(uh->data, "from:")))
    {
      /* User has specified a default From: address.  Remove default address */
      mutt_addrlist_clear(&env->from);
      mutt_addrlist_parse(&env->from, uh->data + plen);
    }
    else if ((plen = mutt_istr_startswith(uh->data, "reply-to:")))
    {
      mutt_addrlist_clear(&env->reply_to);
      mutt_addrlist_parse(&env->reply_to, uh->data + plen);
    }
    else if ((plen = mutt_istr_startswith(uh->data, "message-id:")))
    {
      char *tmp = mutt_extract_message_id(uh->data + plen, NULL);
      if (mutt_addr_valid_msgid(tmp))
      {
        FREE(&env->message_id);
        env->message_id = tmp;
      }
      else
        FREE(&tmp);
    }
    else if (!mutt_istr_startswith(uh->data, "to:") &&
             !mutt_istr_startswith(uh->data, "cc:") &&
             !mutt_istr_startswith(uh->data, "bcc:") &&
#ifdef USE_NNTP
             !mutt_istr_startswith(uh->data, "newsgroups:") &&
             !mutt_istr_startswith(uh->data, "followup-to:") &&
             !mutt_istr_startswith(uh->data, "x-comment-to:") &&
#endif
             !mutt_istr_startswith(uh->data, "supersedes:") &&
             !mutt_istr_startswith(uh->data, "subject:") &&
             !mutt_istr_startswith(uh->data, "return-path:"))
    {
      mutt_list_insert_tail(&env->userhdrs, mutt_str_dup(uh->data));
    }
  }
}

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mutt_forward_intro()

void mutt_forward_intro	(	struct Mailbox *	m,
		struct Email *	e,
		FILE *	fp,
		struct ConfigSubset *	sub
	)

Add the "start of forwarded message" text.

Parameters

m	Mailbox
e	Email
sub	Config Subset
fp	File to write to

Definition at line 400 of file send.c.

{
  const char *c_forward_attribution_intro =
      cs_subset_string(sub, "forward_attribution_intro");
  if (!c_forward_attribution_intro || !fp)
    return;

  const char *c_attribution_locale =
      cs_subset_string(sub, "attribution_locale");

  char buf[1024];
  setlocale(LC_TIME, NONULL(c_attribution_locale));
  mutt_make_string(buf, sizeof(buf), 0, c_forward_attribution_intro, NULL, m, e);
  setlocale(LC_TIME, "");
  fputs(buf, fp);
  fputs("\n\n", fp);
}

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mutt_forward_trailer()

void mutt_forward_trailer	(	struct Mailbox *	m,
		struct Email *	e,
		FILE *	fp,
		struct ConfigSubset *	sub
	)

Add a "end of forwarded message" text.

Parameters

m	Mailbox
e	Email
sub	Config Subset
fp	File to write to

Definition at line 425 of file send.c.

{
  const char *c_forward_attribution_trailer =
      cs_subset_string(sub, "forward_attribution_trailer");
  if (!c_forward_attribution_trailer || !fp)
    return;

  const char *c_attribution_locale =
      cs_subset_string(sub, "attribution_locale");

  char buf[1024];
  setlocale(LC_TIME, NONULL(c_attribution_locale));
  mutt_make_string(buf, sizeof(buf), 0, c_forward_attribution_trailer, NULL, m, e);
  setlocale(LC_TIME, "");
  fputc('\n', fp);
  fputs(buf, fp);
  fputc('\n', fp);
}

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include_forward()

static int include_forward ( struct Mailbox *  m, struct Email *  e, FILE *  fp_out, struct ConfigSubset *  sub  )

static

Write out a forwarded message.

Parameters

m	Mailbox
e	Email
fp_out	File to write to
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 454 of file send.c.

{
  CopyHeaderFlags chflags = CH_DECODE;
  CopyMessageFlags cmflags = MUTT_CM_NO_FLAGS;

  mutt_parse_mime_message(m, e);
  mutt_message_hook(m, e, MUTT_MESSAGE_HOOK);

  const bool c_forward_decode = cs_subset_bool(sub, "forward_decode");
  if ((WithCrypto != 0) && (e->security & SEC_ENCRYPT) && c_forward_decode)
  {
    /* make sure we have the user's passphrase before proceeding... */
    if (!crypt_valid_passphrase(e->security))
      return -1;
  }

  mutt_forward_intro(m, e, fp_out, sub);

  if (c_forward_decode)
  {
    cmflags |= MUTT_CM_DECODE | MUTT_CM_CHARCONV;

    const bool c_weed = cs_subset_bool(sub, "weed");
    if (c_weed)
    {
      chflags |= CH_WEED | CH_REORDER;
      cmflags |= MUTT_CM_WEED;
    }
  }

  const bool c_forward_quote = cs_subset_bool(sub, "forward_quote");
  if (c_forward_quote)
    cmflags |= MUTT_CM_PREFIX;

  mutt_copy_message(fp_out, m, e, cmflags, chflags, 0);
  mutt_forward_trailer(m, e, fp_out, sub);
  return 0;
}

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inline_forward_attachments()

static int inline_forward_attachments ( struct Mailbox *  m, struct Email *  e, struct Body ***  plast, enum QuadOption *  forwardq, struct ConfigSubset *  sub  )

static

Add attachments to an email, inline.

Parameters

[in]	m	Mailbox
[in]	e	Current Email
[out]	plast	Pointer to the last Attachment
[out]	forwardq	Result of asking the user to forward the attachments, e.g. MUTT_YES
[in]	sub	Config Subset

Return values

0	Success
-1	Error

Definition at line 504 of file send.c.

{
  struct Body **last = *plast;
  struct Body *body = NULL;
  struct Message *msg = NULL;
  struct AttachCtx *actx = NULL;
  int rc = 0, i;

  mutt_parse_mime_message(m, e);
  mutt_message_hook(m, e, MUTT_MESSAGE_HOOK);

  msg = mx_msg_open(m, e->msgno);
  if (!msg)
    return -1;

  actx = mutt_mem_calloc(1, sizeof(*actx));
  actx->email = e;
  actx->fp_root = msg->fp;

  mutt_generate_recvattach_list(actx, actx->email, actx->email->content,
                                actx->fp_root, -1, 0, 0);

  for (i = 0; i < actx->idxlen; i++)
  {
    body = actx->idx[i]->content;
    if ((body->type != TYPE_MULTIPART) && !mutt_can_decode(body) &&
        !((body->type == TYPE_APPLICATION) &&
          (mutt_istr_equal(body->subtype, "pgp-signature") ||
           mutt_istr_equal(body->subtype, "x-pkcs7-signature") ||
           mutt_istr_equal(body->subtype, "pkcs7-signature"))))
    {
      /* Ask the quadoption only once */
      if (*forwardq == MUTT_ABORT)
      {
        const enum QuadOption c_forward_attachments =
            cs_subset_quad(sub, "forward_attachments");
        *forwardq = query_quadoption(c_forward_attachments,
                                     /* L10N: This is the prompt for $forward_attachments.
                                        When inline forwarding ($mime_forward answered "no"), this prompts
                                        whether to add non-decodable attachments from the original email.
                                        Text/plain parts and the like will already be included in the
                                        message contents, but other attachment, such as PDF files, will also
                                        be added as attachments to the new mail, if this is answered yes.  */
                                     _("Forward attachments?"));
        if (*forwardq != MUTT_YES)
        {
          if (*forwardq == -1)
            rc = -1;
          goto cleanup;
        }
      }
      if (mutt_body_copy(actx->idx[i]->fp, last, body) == -1)
      {
        rc = -1;
        goto cleanup;
      }
      last = &((*last)->next);
    }
  }

cleanup:
  *plast = last;
  mx_msg_close(m, &msg);
  mutt_actx_free(&actx);
  return rc;
}

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mutt_make_attribution()

void mutt_make_attribution	(	struct Mailbox *	m,
		struct Email *	e,
		FILE *	fp_out,
		struct ConfigSubset *	sub
	)

Add "on DATE, PERSON wrote" header.

Parameters

m	Mailbox
e	Email
fp_out	File to write to
sub	Config Subset

Definition at line 580 of file send.c.

{
  const char *c_attribution = cs_subset_string(sub, "attribution");
  if (!c_attribution || !fp_out)
    return;

  const char *c_attribution_locale =
      cs_subset_string(sub, "attribution_locale");

  char buf[1024];
  setlocale(LC_TIME, NONULL(c_attribution_locale));
  mutt_make_string(buf, sizeof(buf), 0, c_attribution, NULL, m, e);
  setlocale(LC_TIME, "");
  fputs(buf, fp_out);
  fputc('\n', fp_out);
}

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mutt_make_post_indent()

void mutt_make_post_indent	(	struct Mailbox *	m,
		struct Email *	e,
		FILE *	fp_out,
		struct ConfigSubset *	sub
	)

Add suffix to replied email text.

Parameters

m	Mailbox
e	Email
fp_out	File to write to
sub	Config Subset

Definition at line 605 of file send.c.

{
  const char *c_post_indent_string =
      cs_subset_string(sub, "post_indent_string");
  if (!c_post_indent_string || !fp_out)
    return;

  char buf[256];
  mutt_make_string(buf, sizeof(buf), 0, c_post_indent_string, NULL, m, e);
  fputs(buf, fp_out);
  fputc('\n', fp_out);
}

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include_reply()

static int include_reply ( struct Mailbox *  m, struct Email *  e, FILE *  fp_out, struct ConfigSubset *  sub  )

static

Generate the reply text for an email.

Parameters

m	Mailbox
e	Email
fp_out	File to write to
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 628 of file send.c.

{
  CopyMessageFlags cmflags =
      MUTT_CM_PREFIX | MUTT_CM_DECODE | MUTT_CM_CHARCONV | MUTT_CM_REPLYING;
  CopyHeaderFlags chflags = CH_DECODE;

  if ((WithCrypto != 0) && (e->security & SEC_ENCRYPT))
  {
    /* make sure we have the user's passphrase before proceeding... */
    if (!crypt_valid_passphrase(e->security))
      return -1;
  }

  mutt_parse_mime_message(m, e);
  mutt_message_hook(m, e, MUTT_MESSAGE_HOOK);

  mutt_make_attribution(m, e, fp_out, sub);

  const bool c_header = cs_subset_bool(sub, "header");
  if (!c_header)
    cmflags |= MUTT_CM_NOHEADER;

  const bool c_weed = cs_subset_bool(sub, "weed");
  if (c_weed)
  {
    chflags |= CH_WEED | CH_REORDER;
    cmflags |= MUTT_CM_WEED;
  }

  mutt_copy_message(fp_out, m, e, cmflags, chflags, 0);

  mutt_make_post_indent(m, e, fp_out, sub);

  return 0;
}

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choose_default_to()

static const struct AddressList* choose_default_to ( const struct Address *  from, const struct Envelope *  env, struct ConfigSubset *  sub  )

static

Pick the best 'to:' value.

Parameters

from	From Address
env	Envelope
sub	Config Subset

Return values

ptr	Addresses to use

Definition at line 672 of file send.c.

{
  const bool c_reply_self = cs_subset_bool(sub, "reply_self");
  if (!c_reply_self && mutt_addr_is_user(from))
  {
    /* mail is from the user, assume replying to recipients */
    return &env->to;
  }
  else
  {
    return &env->from;
  }
}

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default_to()

static int default_to ( struct AddressList *  to, struct Envelope *  env, SendFlags  flags, int  hmfupto, struct ConfigSubset *  sub  )

static

Generate default email addresses.

Parameters

[in,out]	to	'To' address
[in]	env	Envelope to populate
[in]	flags	Flags, see SendFlags
[in]	hmfupto	If true, add 'followup-to' address to 'to' address
[in]	sub	Config Subset

Return values

0	Success
-1	Aborted

Definition at line 698 of file send.c.

{
  const struct Address *from = TAILQ_FIRST(&env->from);
  const struct Address *reply_to = TAILQ_FIRST(&env->reply_to);

  if (flags && !TAILQ_EMPTY(&env->mail_followup_to) && (hmfupto == MUTT_YES))
  {
    mutt_addrlist_copy(to, &env->mail_followup_to, true);
    return 0;
  }

  /* Exit now if we're setting up the default Cc list for list-reply
   * (only set if Mail-Followup-To is present and honoured).  */
  if (flags & SEND_LIST_REPLY)
    return 0;

  const struct AddressList *default_to = choose_default_to(from, env, sub);

  if (reply_to)
  {
    const bool from_is_reply_to = mutt_addr_cmp(from, reply_to);
    const bool multiple_reply_to =
        reply_to && TAILQ_NEXT(TAILQ_FIRST(&env->reply_to), entries);

    const bool c_ignore_list_reply_to =
        cs_subset_bool(sub, "ignore_list_reply_to");
    const enum QuadOption c_reply_to = cs_subset_quad(sub, "reply_to");
    if ((from_is_reply_to && !multiple_reply_to && !reply_to->personal) ||
        (c_ignore_list_reply_to && mutt_is_mail_list(reply_to) &&
         (mutt_addrlist_search(&env->to, reply_to) || mutt_addrlist_search(&env->cc, reply_to))))
    {
      /* If the Reply-To: address is a mailing list, assume that it was
       * put there by the mailing list, and use the From: address
       *
       * We also take the from header if our correspondent has a reply-to
       * header which is identical to the electronic mail address given
       * in his From header, and the reply-to has no display-name.  */
      mutt_addrlist_copy(to, &env->from, false);
    }
    else if (!(from_is_reply_to && !multiple_reply_to) && (c_reply_to != MUTT_YES))
    {
      char prompt[256];
      /* There are quite a few mailing lists which set the Reply-To:
       * header field to the list address, which makes it quite impossible
       * to send a message to only the sender of the message.  This
       * provides a way to do that.  */
      /* L10N: Asks whether the user respects the reply-to header.
         If she says no, neomutt will reply to the from header's address instead. */
      snprintf(prompt, sizeof(prompt), _("Reply to %s%s?"), reply_to->mailbox,
               multiple_reply_to ? ",..." : "");
      switch (query_quadoption(c_reply_to, prompt))
      {
        case MUTT_YES:
          mutt_addrlist_copy(to, &env->reply_to, false);
          break;

        case MUTT_NO:
          mutt_addrlist_copy(to, default_to, false);
          break;

        default:
          return -1; /* abort */
      }
    }
    else
    {
      mutt_addrlist_copy(to, &env->reply_to, false);
    }
  }
  else
  {
    mutt_addrlist_copy(to, default_to, false);
  }

  return 0;
}

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mutt_fetch_recips()

int mutt_fetch_recips	(	struct Envelope *	out,
		struct Envelope *	in,
		SendFlags	flags,
		struct ConfigSubset *	sub
	)

Generate recpients for a reply email.

Parameters

out	Envelope to populate
in	Envelope of source email
flags	Flags, see SendFlags
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 785 of file send.c.

{
  enum QuadOption hmfupto = MUTT_ABORT;
  const struct Address *followup_to = TAILQ_FIRST(&in->mail_followup_to);

  if ((flags & (SEND_LIST_REPLY | SEND_GROUP_REPLY | SEND_GROUP_CHAT_REPLY)) && followup_to)
  {
    char prompt[256];
    snprintf(prompt, sizeof(prompt), _("Follow-up to %s%s?"), followup_to->mailbox,
             TAILQ_NEXT(TAILQ_FIRST(&in->mail_followup_to), entries) ? ",..." : "");

    const enum QuadOption c_honor_followup_to =
        cs_subset_quad(sub, "honor_followup_to");
    hmfupto = query_quadoption(c_honor_followup_to, prompt);
    if (hmfupto == MUTT_ABORT)
      return -1;
  }

  if (flags & SEND_LIST_REPLY)
  {
    add_mailing_lists(&out->to, &in->to, &in->cc);

    if (followup_to && (hmfupto == MUTT_YES) &&
        (default_to(&out->cc, in, flags & SEND_LIST_REPLY, (hmfupto == MUTT_YES), sub) == MUTT_ABORT))
    {
      return -1; /* abort */
    }
  }
  else if (flags & SEND_TO_SENDER)
  {
    mutt_addrlist_copy(&out->to, &in->from, false);
  }
  else
  {
    if (default_to(&out->to, in, flags & (SEND_GROUP_REPLY | SEND_GROUP_CHAT_REPLY),
                   (hmfupto == MUTT_YES), sub) == -1)
      return -1; /* abort */

    if ((flags & (SEND_GROUP_REPLY | SEND_GROUP_CHAT_REPLY)) &&
        (!followup_to || (hmfupto != MUTT_YES)))
    {
      /* if(!mutt_addr_is_user(in->to)) */
      if (flags & SEND_GROUP_REPLY)
        mutt_addrlist_copy(&out->cc, &in->to, true);
      else
        mutt_addrlist_copy(&out->to, &in->cc, true);
      mutt_addrlist_copy(&out->cc, &in->cc, true);
    }
  }
  return 0;
}

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add_references()

static void add_references ( struct ListHead *  head, struct Envelope *  env  )

static

Add the email's references to a list.

Parameters

head	List of references
env	Envelope of message

Definition at line 843 of file send.c.

{
  struct ListNode *np = NULL;

  struct ListHead *src = STAILQ_EMPTY(&env->references) ? &env->in_reply_to : &env->references;
  STAILQ_FOREACH(np, src, entries)
  {
    mutt_list_insert_tail(head, mutt_str_dup(np->data));
  }
}

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add_message_id()

static void add_message_id ( struct ListHead *  head, struct Envelope *  env  )

static

Add the email's message ID to a list.

Parameters

head	List of message IDs
env	Envelope of message

Definition at line 859 of file send.c.

{
  if (env->message_id)
  {
    mutt_list_insert_head(head, mutt_str_dup(env->message_id));
  }
}

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mutt_fix_reply_recipients()

void mutt_fix_reply_recipients	(	struct Envelope *	env,
		struct ConfigSubset *	sub
	)

Remove duplicate recipients.

Parameters

env	Envelope to fix
sub	Config Subset

Definition at line 872 of file send.c.

{
  const bool c_metoo = cs_subset_bool(sub, "metoo");
  if (!c_metoo)
  {
    const bool c_reply_self = cs_subset_bool(sub, "reply_self");

    /* the order is important here.  do the CC: first so that if the
     * the user is the only recipient, it ends up on the TO: field */
    remove_user(&env->cc, TAILQ_EMPTY(&env->to));
    remove_user(&env->to, TAILQ_EMPTY(&env->cc) || c_reply_self);
  }

  /* the CC field can get cluttered, especially with lists */
  mutt_addrlist_dedupe(&env->to);
  mutt_addrlist_dedupe(&env->cc);
  mutt_addrlist_remove_xrefs(&env->to, &env->cc);

  if (!TAILQ_EMPTY(&env->cc) && TAILQ_EMPTY(&env->to))
  {
    TAILQ_SWAP(&env->to, &env->cc, Address, entries);
  }
}

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mutt_make_forward_subject()

void mutt_make_forward_subject	(	struct Envelope *	env,
		struct Mailbox *	m,
		struct Email *	e,
		struct ConfigSubset *	sub
	)

Create a subject for a forwarded email.

Parameters

env	Envelope for result
m	Mailbox
e	Email
sub	Config Subset

Definition at line 903 of file send.c.

{
  if (!env)
    return;

  const char *c_forward_format = cs_subset_string(sub, "forward_format");

  char buf[256];
  /* set the default subject for the message. */
  mutt_make_string(buf, sizeof(buf), 0, NONULL(c_forward_format), NULL, m, e);
  mutt_str_replace(&env->subject, buf);
}

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mutt_make_misc_reply_headers()

void mutt_make_misc_reply_headers	(	struct Envelope *	env,
		struct Envelope *	curenv,
		struct ConfigSubset *	sub
	)

Set subject for a reply.

Parameters

env	Envelope for result
curenv	Envelope of source email
sub	Config Subset

Definition at line 923 of file send.c.

{
  if (!env || !curenv)
    return;

  /* This takes precedence over a subject that might have
   * been taken from a List-Post header.  Is that correct?  */
  if (curenv->real_subj)
  {
    FREE(&env->subject);
    env->subject = mutt_mem_malloc(mutt_str_len(curenv->real_subj) + 5);
    sprintf(env->subject, "Re: %s", curenv->real_subj);
  }
  else if (!env->subject)
  {
    const char *c_empty_subject = cs_subset_string(sub, "empty_subject");
    env->subject = mutt_str_dup(c_empty_subject);
  }
}

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mutt_add_to_reference_headers()

void mutt_add_to_reference_headers	(	struct Envelope *	env,
		struct Envelope *	curenv,
		struct ConfigSubset *	sub
	)

Generate references for a reply email.

Parameters

env	Envelope for result
curenv	Envelope of source email
sub	Config Subset

Definition at line 950 of file send.c.

{
  add_references(&env->references, curenv);
  add_message_id(&env->references, curenv);
  add_message_id(&env->in_reply_to, curenv);

#ifdef USE_NNTP
  const bool c_x_comment_to = cs_subset_bool(sub, "x_comment_to");
  if (OptNewsSend && c_x_comment_to && !TAILQ_EMPTY(&curenv->from))
    env->x_comment_to = mutt_str_dup(mutt_get_name(TAILQ_FIRST(&curenv->from)));
#endif
}

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make_reference_headers()

static void make_reference_headers ( struct EmailList *  el, struct Envelope *  env, struct ConfigSubset *  sub  )

static

Generate reference headers for an email.

Parameters

el	List of source Emails
env	Envelope for result
sub	Config Subset

Definition at line 970 of file send.c.

{
  if (!el || !env || STAILQ_EMPTY(el))
    return;

  struct EmailNode *en = STAILQ_FIRST(el);
  bool single = !STAILQ_NEXT(en, entries);

  if (!single)
  {
    STAILQ_FOREACH(en, el, entries)
    {
      mutt_add_to_reference_headers(env, en->email->env, sub);
    }
  }
  else
    mutt_add_to_reference_headers(env, en->email->env, sub);

  /* if there's more than entry in In-Reply-To (i.e. message has multiple
   * parents), don't generate a References: header as it's discouraged by
   * RFC2822, sect. 3.6.4 */
  if (!single && !STAILQ_EMPTY(&env->in_reply_to) &&
      STAILQ_NEXT(STAILQ_FIRST(&env->in_reply_to), entries))
  {
    mutt_list_free(&env->references);
  }
}

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envelope_defaults()

static int envelope_defaults ( struct Envelope *  env, struct Mailbox *  m, struct EmailList *  el, SendFlags  flags, struct ConfigSubset *  sub  )

static

Fill in some defaults for a new email.

Parameters

env	Envelope for result
m	Mailbox
el	List of Emails to use
flags	Flags, see SendFlags
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 1009 of file send.c.

{
  if (!el || STAILQ_EMPTY(el))
    return -1;

  struct EmailNode *en = STAILQ_FIRST(el);
  bool single = !STAILQ_NEXT(en, entries);

  struct Envelope *curenv = en->email->env;
  if (!curenv)
    return -1;

  if (flags & (SEND_REPLY | SEND_TO_SENDER))
  {
#ifdef USE_NNTP
    if ((flags & SEND_NEWS))
    {
      /* in case followup set Newsgroups: with Followup-To: if it present */
      if (!env->newsgroups && !mutt_istr_equal(curenv->followup_to, "poster"))
      {
        env->newsgroups = mutt_str_dup(curenv->followup_to);
      }
    }
    else
#endif
        if (!single)
    {
      STAILQ_FOREACH(en, el, entries)
      {
        if (mutt_fetch_recips(env, en->email->env, flags, sub) == -1)
          return -1;
      }
    }
    else if (mutt_fetch_recips(env, curenv, flags, sub) == -1)
      return -1;

    if ((flags & SEND_LIST_REPLY) && TAILQ_EMPTY(&env->to))
    {
      mutt_error(_("No mailing lists found"));
      return -1;
    }

    if (flags & SEND_REPLY)
    {
      mutt_make_misc_reply_headers(env, curenv, sub);
      make_reference_headers(el, env, sub);
    }
  }
  else if (flags & SEND_FORWARD)
  {
    mutt_make_forward_subject(env, m, en->email, sub);

    const bool c_forward_references = cs_subset_bool(sub, "forward_references");
    if (c_forward_references)
      make_reference_headers(el, env, sub);
  }

  return 0;
}

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generate_body()

static int generate_body ( FILE *  fp_tmp, struct Email *  e, SendFlags  flags, struct Mailbox *  m, struct EmailList *  el, struct ConfigSubset *  sub  )

static

Create a new email body.

Parameters

fp_tmp	Stream for outgoing message
e	Email for outgoing message
flags	Compose mode, see SendFlags
m	Mailbox
el	List of Emails to use
sub	Config Subset

Return values

0	Success
-1	Error

Definition at line 1081 of file send.c.

{
  /* An EmailList is required for replying and forwarding */
  if (!el && (flags & (SEND_REPLY | SEND_FORWARD)))
    return -1;

  if (flags & SEND_REPLY)
  {
    const enum QuadOption c_include = cs_subset_quad(sub, "include");
    enum QuadOption ans =
        query_quadoption(c_include, _("Include message in reply?"));
    if (ans == MUTT_ABORT)
      return -1;

    if (ans == MUTT_YES)
    {
      mutt_message(_("Including quoted message..."));
      struct EmailNode *en = NULL;
      STAILQ_FOREACH(en, el, entries)
      {
        if (include_reply(m, en->email, fp_tmp, sub) == -1)
        {
          mutt_error(_("Could not include all requested messages"));
          return -1;
        }
        if (STAILQ_NEXT(en, entries) != NULL)
        {
          fputc('\n', fp_tmp);
        }
      }
    }
  }
  else if (flags & SEND_FORWARD)
  {
    const enum QuadOption c_mime_forward = cs_subset_quad(sub, "mime_forward");
    enum QuadOption ans =
        query_quadoption(c_mime_forward, _("Forward as attachment?"));
    if (ans == MUTT_YES)
    {
      struct Body *last = e->content;

      mutt_message(_("Preparing forwarded message..."));

      while (last && last->next)
        last = last->next;

      struct EmailNode *en = NULL;
      STAILQ_FOREACH(en, el, entries)
      {
        struct Body *tmp = mutt_make_message_attach(m, en->email, false, sub);
        if (last)
        {
          last->next = tmp;
          last = tmp;
        }
        else
        {
          last = tmp;
          e->content = tmp;
        }
      }
    }
    else if (ans != MUTT_ABORT)
    {
      enum QuadOption forwardq = MUTT_ABORT;
      struct Body **last = NULL;
      struct EmailNode *en = NULL;

      const bool c_forward_decode = cs_subset_bool(sub, "forward_decode");
      const enum QuadOption c_forward_attachments =
          cs_subset_quad(sub, "forward_attachments");
      if (c_forward_decode && (c_forward_attachments != MUTT_NO))
      {
        last = &e->content;
        while (*last)
          last = &((*last)->next);
      }

      STAILQ_FOREACH(en, el, entries)
      {
        struct Email *e_cur = en->email;
        include_forward(m, e_cur, fp_tmp, sub);
        if (c_forward_decode && (c_forward_attachments != MUTT_NO))
        {
          if (inline_forward_attachments(m, e_cur, &last, &forwardq, sub) != 0)
            return -1;
        }
      }
    }
    else
      return -1;
  }
  /* if (WithCrypto && (flags & SEND_KEY)) */
  else if (((WithCrypto & APPLICATION_PGP) != 0) && (flags & SEND_KEY))
  {
    struct Body *b = NULL;

    if (((WithCrypto & APPLICATION_PGP) != 0) && !(b = crypt_pgp_make_key_attachment()))
    {
      return -1;
    }

    b->next = e->content;
    e->content = b;
  }

  mutt_clear_error();

  return 0;
}

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mutt_set_followup_to()

void mutt_set_followup_to	(	struct Envelope *	env,
		struct ConfigSubset *	sub
	)

Set followup-to field.

Parameters

env	Envelope to modify
sub	Config Subset

Definition at line 1198 of file send.c.

{
  /* Only generate the Mail-Followup-To if the user has requested it, and
   * it hasn't already been set */

  const bool c_followup_to = cs_subset_bool(sub, "followup_to");
  if (!c_followup_to)
    return;
#ifdef USE_NNTP
  if (OptNewsSend)
  {
    if (!env->followup_to && env->newsgroups && (strrchr(env->newsgroups, ',')))
      env->followup_to = mutt_str_dup(env->newsgroups);
    return;
  }
#endif

  if (TAILQ_EMPTY(&env->mail_followup_to))
  {
    if (mutt_is_list_recipient(false, env))
    {
      /* this message goes to known mailing lists, so create a proper
       * mail-followup-to header */

      mutt_addrlist_copy(&env->mail_followup_to, &env->to, false);
      mutt_addrlist_copy(&env->mail_followup_to, &env->cc, true);
    }

    /* remove ourselves from the mail-followup-to header */
    remove_user(&env->mail_followup_to, false);

    /* If we are not subscribed to any of the lists in question, re-add
     * ourselves to the mail-followup-to header.  The mail-followup-to header
     * generated is a no-op with group-reply, but makes sure list-reply has the
     * desired effect.  */

    if (!TAILQ_EMPTY(&env->mail_followup_to) &&
        !mutt_is_subscribed_list_recipient(false, env))
    {
      struct AddressList *al = NULL;
      if (!TAILQ_EMPTY(&env->reply_to))
        al = &env->reply_to;
      else if (!TAILQ_EMPTY(&env->from))
        al = &env->from;

      if (al)
      {
        struct Address *a = NULL;
        TAILQ_FOREACH_REVERSE(a, al, AddressList, entries)
        {
          mutt_addrlist_prepend(&env->mail_followup_to, mutt_addr_copy(a));
        }
      }
      else
      {
        mutt_addrlist_prepend(&env->mail_followup_to, mutt_default_from(sub));
      }
    }

    mutt_addrlist_dedupe(&env->mail_followup_to);
  }
}

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set_reverse_name()

static void set_reverse_name ( struct AddressList *  al, struct Envelope *  env, struct ConfigSubset *  sub  )

static

Try to set the 'from' field from the recipients.

Parameters

al	AddressList to prepend the found address
env	Envelope to use
sub	Config Subset

Look through the recipients of the message we are replying to, and if we find an address that matches $alternates, we use that as the default from field

Definition at line 1271 of file send.c.

{
  struct Address *a = NULL;
  if (TAILQ_EMPTY(al))
  {
    TAILQ_FOREACH(a, &env->to, entries)
    {
      if (mutt_addr_is_user(a))
      {
        mutt_addrlist_append(al, mutt_addr_copy(a));
        break;
      }
    }
  }

  if (TAILQ_EMPTY(al))
  {
    TAILQ_FOREACH(a, &env->cc, entries)
    {
      if (mutt_addr_is_user(a))
      {
        mutt_addrlist_append(al, mutt_addr_copy(a));
        break;
      }
    }
  }

  if (TAILQ_EMPTY(al))
  {
    struct Address *from = TAILQ_FIRST(&env->from);
    if (from && mutt_addr_is_user(from))
    {
      mutt_addrlist_append(al, mutt_addr_copy(from));
    }
  }

  if (!TAILQ_EMPTY(al))
  {
    /* when $reverse_realname is not set, clear the personal name so that it
     * may be set via a reply- or send-hook.  */

    const bool c_reverse_realname = cs_subset_bool(sub, "reverse_realname");
    if (!c_reverse_realname)
      FREE(&TAILQ_FIRST(al)->personal);
  }
}

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mutt_default_from()

struct Address* mutt_default_from

(

struct ConfigSubset *

sub

)

Get a default 'from' Address.

Return values

ptr	Newly allocated Address

Definition at line 1323 of file send.c.

{
  /* Note: We let $from override $realname here.
   *       Is this the right thing to do?
   */

  const struct Address *c_from = cs_subset_address(sub, "from");
  const bool c_use_domain = cs_subset_bool(sub, "use_domain");
  if (c_from)
  {
    return mutt_addr_copy(c_from);
  }
  else if (c_use_domain)
  {
    struct Address *addr = mutt_addr_new();
    mutt_str_asprintf(&addr->mailbox, "%s@%s", NONULL(Username),
                      NONULL(mutt_fqdn(true, sub)));
    return addr;
  }
  else
  {
    return mutt_addr_create(NULL, Username);
  }
}

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invoke_mta()

static int invoke_mta ( struct Email *  e, struct ConfigSubset *  sub  )

static

Send an email.

Parameters

e	Email
sub	Config Subset

Return values

0	Success
-1	Failure

Definition at line 1355 of file send.c.

{
  struct Buffer *tempfile = NULL;
  int rc = -1;
#ifdef USE_SMTP
  short old_write_bcc;
#endif

  /* Write out the message in MIME form. */
  tempfile = mutt_buffer_pool_get();
  mutt_buffer_mktemp(tempfile);
  FILE *fp_tmp = mutt_file_fopen(mutt_b2s(tempfile), "w");
  if (!fp_tmp)
    goto cleanup;

#ifdef USE_SMTP
  const bool c_write_bcc = cs_subset_bool(sub, "write_bcc");
  const char *c_smtp_url = cs_subset_string(sub, "smtp_url");
  old_write_bcc = c_write_bcc;
  if (c_smtp_url)
    cs_subset_str_native_set(sub, "write_bcc", false, NULL);
#endif
#ifdef MIXMASTER
  mutt_rfc822_write_header(fp_tmp, e->env, e->content, MUTT_WRITE_HEADER_NORMAL,
                           !STAILQ_EMPTY(&e->chain),
                           mutt_should_hide_protected_subject(e), sub);
#endif
#ifndef MIXMASTER
  mutt_rfc822_write_header(fp_tmp, e->env, e->content, MUTT_WRITE_HEADER_NORMAL,
                           false, mutt_should_hide_protected_subject(e), sub);
#endif
#ifdef USE_SMTP
  if (old_write_bcc)
    cs_subset_str_native_set(sub, "write_bcc", true, NULL);
#endif

  fputc('\n', fp_tmp); /* tie off the header. */

  if ((mutt_write_mime_body(e->content, fp_tmp, sub) == -1))
    goto cleanup;

  if (mutt_file_fclose(&fp_tmp) != 0)
  {
    mutt_perror(mutt_b2s(tempfile));
    unlink(mutt_b2s(tempfile));
    goto cleanup;
  }

#ifdef MIXMASTER
  if (!STAILQ_EMPTY(&e->chain))
  {
    rc = mix_send_message(&e->chain, mutt_b2s(tempfile));
    goto cleanup;
  }
#endif

#ifdef USE_NNTP
  if (OptNewsSend)
    goto sendmail;
#endif

#ifdef USE_SMTP
  if (c_smtp_url)
  {
    rc = mutt_smtp_send(&e->env->from, &e->env->to, &e->env->cc, &e->env->bcc,
                        mutt_b2s(tempfile), (e->content->encoding == ENC_8BIT), sub);
    goto cleanup;
  }
#endif

sendmail:
  rc = mutt_invoke_sendmail(&e->env->from, &e->env->to, &e->env->cc, &e->env->bcc,
                            mutt_b2s(tempfile), (e->content->encoding == ENC_8BIT), sub);
cleanup:
  if (fp_tmp)
  {
    mutt_file_fclose(&fp_tmp);
    unlink(mutt_b2s(tempfile));
  }
  mutt_buffer_pool_release(&tempfile);
  return rc;
}

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mutt_encode_descriptions()

void mutt_encode_descriptions	(	struct Body *	b,
		bool	recurse,
		struct ConfigSubset *	sub
	)

rfc2047 encode the content-descriptions

Parameters

b	Body of email
recurse	If true, encode children parts
sub	Config Subset

Definition at line 1444 of file send.c.

{
  for (struct Body *t = b; t; t = t->next)
  {
    if (t->description)
    {
      const char *c_send_charset = cs_subset_string(sub, "send_charset");
      rfc2047_encode(&t->description, NULL, sizeof("Content-Description:"), c_send_charset);
    }
    if (recurse && t->parts)
      mutt_encode_descriptions(t->parts, recurse, sub);
  }
}

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decode_descriptions()

static void decode_descriptions ( struct Body *  b )

static

rfc2047 decode them in case of an error

Parameters

b	MIME parts to decode

Definition at line 1462 of file send.c.

{
  for (struct Body *t = b; t; t = t->next)
  {
    if (t->description)
    {
      rfc2047_decode(&t->description);
    }
    if (t->parts)
      decode_descriptions(t->parts);
  }
}

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fix_end_of_file()

static void fix_end_of_file ( const char *  data )

static

Ensure a file ends with a linefeed.

Parameters

data	Name of file to fix

Definition at line 1479 of file send.c.

{
  FILE *fp = mutt_file_fopen(data, "a+");
  if (!fp)
    return;
  if (fseek(fp, -1, SEEK_END) >= 0)
  {
    int c = fgetc(fp);
    if (c != '\n')
      fputc('\n', fp);
  }
  mutt_file_fclose(&fp);
}

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mutt_resend_message()

int mutt_resend_message	(	FILE *	fp,
		struct Context *	ctx,
		struct Email *	e_cur,
		struct ConfigSubset *	sub
	)

Resend an email.

Parameters

fp	File containing email
ctx	Mailbox
e_cur	Email to resend
sub	Config Subset

Return values

0	Message was successfully sent
-1	Message was aborted or an error occurred
1	Message was postponed

Definition at line 1503 of file send.c.

{
  struct Email *e_new = email_new();

  if (mutt_prepare_template(fp, ctx->mailbox, e_new, e_cur, true) < 0)
  {
    email_free(&e_new);
    return -1;
  }

  if (WithCrypto)
  {
    /* mutt_prepare_template doesn't always flip on an application bit.
     * so fix that here */
    if (!(e_new->security & (APPLICATION_SMIME | APPLICATION_PGP)))
    {
      const bool c_smime_is_default = cs_subset_bool(sub, "smime_is_default");
      if (((WithCrypto & APPLICATION_SMIME) != 0) && c_smime_is_default)
        e_new->security |= APPLICATION_SMIME;
      else if (WithCrypto & APPLICATION_PGP)
        e_new->security |= APPLICATION_PGP;
      else
        e_new->security |= APPLICATION_SMIME;
    }

    const bool c_crypt_opportunistic_encrypt =
        cs_subset_bool(sub, "crypt_opportunistic_encrypt");
    if (c_crypt_opportunistic_encrypt)
    {
      e_new->security |= SEC_OPPENCRYPT;
      crypt_opportunistic_encrypt(e_new);
    }
  }

  struct EmailList el = STAILQ_HEAD_INITIALIZER(el);
  emaillist_add_email(&el, e_cur);
  int rc = mutt_send_message(SEND_RESEND, e_new, NULL, ctx, &el, sub);
  emaillist_clear(&el);

  return rc;
}

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is_reply()

static bool is_reply ( struct Email *  reply, struct Email *  orig  )

static

Is one email a reply to another?

Parameters

reply	Email to test
orig	Original email

Return values

true	It is a reply
false	It is not a reply

Definition at line 1553 of file send.c.

{
  if (!reply || !reply->env || !orig || !orig->env)
    return false;
  return mutt_list_find(&orig->env->references, reply->env->message_id) ||
         mutt_list_find(&orig->env->in_reply_to, reply->env->message_id);
}

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search_attach_keyword()

static bool search_attach_keyword ( char *  filename, struct ConfigSubset *  sub  )

static

Search an email for 'attachment' keywords.

Parameters

filename	Filename
sub	Config Subset

Return values

true	If the regex matches in the email

Search an email for the regex in $abort_noattach_regex. A match might indicate that the user should have attached something.

Note

Quoted lines (as defined by $quote_regex) are ignored

Definition at line 1572 of file send.c.

{
  const struct Regex *c_abort_noattach_regex =
      cs_subset_regex(sub, "abort_noattach_regex");
  const struct Regex *c_quote_regex = cs_subset_regex(sub, "quote_regex");

  /* Search for the regex in `$abort_noattach_regex` within a file */
  if (!c_abort_noattach_regex || !c_abort_noattach_regex->regex ||
      !c_quote_regex || !c_quote_regex->regex)
  {
    return false;
  }

  FILE *fp_att = mutt_file_fopen(filename, "r");
  if (!fp_att)
    return false;

  char *inputline = mutt_mem_malloc(1024);
  bool found = false;
  while (!feof(fp_att))
  {
    fgets(inputline, 1024, fp_att);
    if (!mutt_is_quote_line(inputline, NULL) &&
        mutt_regex_match(c_abort_noattach_regex, inputline))
    {
      found = true;
      break;
    }
  }
  FREE(&inputline);
  mutt_file_fclose(&fp_att);
  return found;
}

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save_fcc()

static int save_fcc ( struct Email *  e, struct Buffer *  fcc, struct Body *  clear_content, char *  pgpkeylist, SendFlags  flags, char **  finalpath, struct ConfigSubset *  sub  )

static

Save an Email to a 'sent mail' folder.

Parameters

[in]	e	Email to save
[in]	fcc	Folder to save to (can be comma-separated list)
[in]	clear_content	Cleartext content of Email
[in]	pgpkeylist	List of pgp keys
[in]	flags	Send mode, see SendFlags
[out]	finalpath	Path of final folder
[in]	sub	Config Subset

Return values

0	Success
-1	Error

Definition at line 1618 of file send.c.

{
  int rc = 0;
  struct Body *save_content = NULL;

  mutt_buffer_expand_path(fcc);

  /* Don't save a copy when we are in batch-mode, and the FCC
   * folder is on an IMAP server: This would involve possibly lots
   * of user interaction, which is not available in batch mode.
   *
   * Note: A patch to fix the problems with the use of IMAP servers
   * from non-curses mode is available from Brendan Cully.  However,
   * I'd like to think a bit more about this before including it.  */

#ifdef USE_IMAP
  if ((flags & SEND_BATCH) && !mutt_buffer_is_empty(fcc) &&
      (imap_path_probe(mutt_b2s(fcc), NULL) == MUTT_IMAP))
  {
    mutt_buffer_reset(fcc);
    mutt_error(_("Fcc to an IMAP mailbox is not supported in batch mode"));
    return rc;
  }
#endif

  if (mutt_buffer_is_empty(fcc) || mutt_str_equal("/dev/null", mutt_b2s(fcc)))
    return rc;

  struct Body *tmpbody = e->content;
  struct Body *save_sig = NULL;
  struct Body *save_parts = NULL;

  const bool c_fcc_before_send = cs_subset_bool(sub, "fcc_before_send");
  /* Before sending, we don't allow message manipulation because it
   * will break message signatures.  This is especially complicated by
   * Protected Headers. */
  if (!c_fcc_before_send)
  {
    const bool c_fcc_clear = cs_subset_bool(sub, "fcc_clear");
    if ((WithCrypto != 0) &&
        (e->security & (SEC_ENCRYPT | SEC_SIGN | SEC_AUTOCRYPT)) && c_fcc_clear)
    {
      e->content = clear_content;
      e->security &= ~(SEC_ENCRYPT | SEC_SIGN | SEC_AUTOCRYPT);
      mutt_env_free(&e->content->mime_headers);
    }

    const enum QuadOption c_fcc_attach = cs_subset_quad(sub, "fcc_attach");

    /* check to see if the user wants copies of all attachments */
    bool save_atts = true;
    if (e->content->type == TYPE_MULTIPART)
    {
      /* In batch mode, save attachments if the quadoption is yes or ask-yes */
      if (flags & SEND_BATCH)
      {
        if ((c_fcc_attach == MUTT_NO) || (c_fcc_attach == MUTT_ASKNO))
          save_atts = false;
      }
      else if (query_quadoption(c_fcc_attach, _("Save attachments in Fcc?")) != MUTT_YES)
        save_atts = false;
    }
    if (!save_atts)
    {
      if ((WithCrypto != 0) && (e->security & (SEC_ENCRYPT | SEC_SIGN | SEC_AUTOCRYPT)) &&
          (mutt_str_equal(e->content->subtype, "encrypted") ||
           mutt_str_equal(e->content->subtype, "signed")))
      {
        if ((clear_content->type == TYPE_MULTIPART) &&
            (query_quadoption(c_fcc_attach, _("Save attachments in Fcc?")) == MUTT_NO))
        {
          if (!(e->security & SEC_ENCRYPT) && (e->security & SEC_SIGN))
          {
            /* save initial signature and attachments */
            save_sig = e->content->parts->next;
            save_parts = clear_content->parts->next;
          }

          /* this means writing only the main part */
          e->content = clear_content->parts;

          if (mutt_protect(e, pgpkeylist, false) == -1)
          {
            /* we can't do much about it at this point, so
           * fallback to saving the whole thing to fcc */
            e->content = tmpbody;
            save_sig = NULL;
            goto full_fcc;
          }

          save_content = e->content;
        }
      }
      else
      {
        if (query_quadoption(c_fcc_attach, _("Save attachments in Fcc?")) == MUTT_NO)
          e->content = e->content->parts;
      }
    }
  }

full_fcc:
  if (e->content)
  {
    /* update received time so that when storing to a mbox-style folder
     * the From_ line contains the current time instead of when the
     * message was first postponed.  */
    e->received = mutt_date_epoch();
    rc = mutt_write_multiple_fcc(mutt_b2s(fcc), e, NULL, false, NULL, finalpath, sub);
    while (rc && !(flags & SEND_BATCH))
    {
      mutt_clear_error();
      int choice = mutt_multi_choice(
          /* L10N: Called when saving to $record or Fcc failed after sending.
             (r)etry tries the same mailbox again.
             alternate (m)ailbox prompts for a different mailbox to try.
             (s)kip aborts saving.  */
          _("Fcc failed. (r)etry, alternate (m)ailbox, or (s)kip?"),
          /* L10N: These correspond to the "Fcc failed" multi-choice prompt
             (r)etry, alternate (m)ailbox, or (s)kip.
             Any similarity to famous leaders of the FSF is coincidental.  */
          _("rms"));
      switch (choice)
      {
        case 2: /* alternate (m)ailbox */
          /* L10N: This is the prompt to enter an "alternate (m)ailbox" when the
             initial Fcc fails.  */
          rc = mutt_buffer_enter_fname(_("Fcc mailbox"), fcc, true);
          if ((rc == -1) || mutt_buffer_is_empty(fcc))
          {
            rc = 0;
            break;
          }
          /* fall through */

        case 1: /* (r)etry */
          rc = mutt_write_multiple_fcc(mutt_b2s(fcc), e, NULL, false, NULL, finalpath, sub);
          break;

        case -1: /* abort */
        case 3:  /* (s)kip */
          rc = 0;
          break;
      }
    }
  }

  if (!c_fcc_before_send)
  {
    e->content = tmpbody;

    if ((WithCrypto != 0) && save_sig)
    {
      /* cleanup the second signature structures */
      if (save_content->parts)
      {
        mutt_body_free(&save_content->parts->next);
        save_content->parts = NULL;
      }
      mutt_body_free(&save_content);

      /* restore old signature and attachments */
      e->content->parts->next = save_sig;
      e->content->parts->parts->next = save_parts;
    }
    else if ((WithCrypto != 0) && save_content)
    {
      /* destroy the new encrypted body. */
      mutt_body_free(&save_content);
    }
  }

  return 0;
}

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postpone_message()

static int postpone_message ( struct Email *  e_post, struct Email *  e_cur, const char *  fcc, SendFlags  flags, struct ConfigSubset *  sub  )

static

Save an Email for another day.

Parameters

e_post	Email to postpone
e_cur	Current Email in the index
fcc	Folder for 'sent mail'
flags	Send mode, see SendFlags
sub	Config Subset

Return values

0	Success
-1	Error

Definition at line 1805 of file send.c.

{
  char *pgpkeylist = NULL;
  const char *encrypt_as = NULL;
  struct Body *clear_content = NULL;

  const char *c_postponed = cs_subset_string(sub, "postponed");
  if (!c_postponed)
  {
    mutt_error(_("Can't postpone.  $postponed is unset"));
    return -1;
  }

  if (e_post->content->next)
    e_post->content = mutt_make_multipart(e_post->content);

  mutt_encode_descriptions(e_post->content, true, sub);

  const bool c_postpone_encrypt = cs_subset_bool(sub, "postpone_encrypt");
  if ((WithCrypto != 0) && c_postpone_encrypt &&
      (e_post->security & (SEC_ENCRYPT | SEC_AUTOCRYPT)))
  {
    if (((WithCrypto & APPLICATION_PGP) != 0) && (e_post->security & APPLICATION_PGP))
    {
      const char *c_pgp_default_key = cs_subset_string(sub, "pgp_default_key");
      encrypt_as = c_pgp_default_key;
    }
    else if (((WithCrypto & APPLICATION_SMIME) != 0) && (e_post->security & APPLICATION_SMIME))
    {
      const char *c_smime_default_key =
          cs_subset_string(sub, "smime_default_key");
      encrypt_as = c_smime_default_key;
    }
    if (!encrypt_as)
    {
      const char *c_postpone_encrypt_as =
          cs_subset_string(sub, "postpone_encrypt_as");
      encrypt_as = c_postpone_encrypt_as;
    }

#ifdef USE_AUTOCRYPT
    if (e_post->security & SEC_AUTOCRYPT)
    {
      if (mutt_autocrypt_set_sign_as_default_key(e_post))
      {
        e_post->content = mutt_remove_multipart(e_post->content);
        decode_descriptions(e_post->content);
        mutt_error(_("Error encrypting message. Check your crypt settings."));
        return -1;
      }
      encrypt_as = AutocryptDefaultKey;
    }
#endif

    if (encrypt_as)
    {
      pgpkeylist = mutt_str_dup(encrypt_as);
      clear_content = e_post->content;
      if (mutt_protect(e_post, pgpkeylist, true) == -1)
      {
        FREE(&pgpkeylist);
        e_post->content = mutt_remove_multipart(e_post->content);
        decode_descriptions(e_post->content);
        mutt_error(_("Error encrypting message. Check your crypt settings."));
        return -1;
      }

      FREE(&pgpkeylist);

      mutt_encode_descriptions(e_post->content, false, sub);
    }
  }

  /* make sure the message is written to the right part of a maildir
   * postponed folder.  */
  e_post->read = false;
  e_post->old = false;

  mutt_prepare_envelope(e_post->env, false, sub);
  mutt_env_to_intl(e_post->env, NULL, NULL); /* Handle bad IDNAs the next time. */

  if (mutt_write_fcc(NONULL(c_postponed), e_post,
                     (e_cur && (flags & SEND_REPLY)) ? e_cur->env->message_id : NULL,
                     true, fcc, NULL, sub) < 0)
  {
    if (clear_content)
    {
      mutt_body_free(&e_post->content);
      e_post->content = clear_content;
    }
    mutt_env_free(&e_post->content->mime_headers); /* protected headers */
    e_post->content = mutt_remove_multipart(e_post->content);
    decode_descriptions(e_post->content);
    mutt_unprepare_envelope(e_post->env);
    return -1;
  }

  mutt_update_num_postponed();

  if (clear_content)
    mutt_body_free(&clear_content);

  return 0;
}

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mutt_send_message()

int mutt_send_message	(	SendFlags	flags,
		struct Email *	e_templ,
		const char *	tempfile,
		struct Context *	ctx,
		struct EmailList *	el,
		struct ConfigSubset *	sub
	)

Send an email.

Parameters

flags	Send mode, see SendFlags
e_templ	Template to use for new message
tempfile	File specified by -i or -H
ctx	Current mailbox
el	List of Emails to send
sub	Config Subset

Return values

0	Message was successfully sent
-1	Message was aborted or an error occurred
1	Message was postponed

Definition at line 1923 of file send.c.

{
  char buf[1024];
  struct Buffer fcc = mutt_buffer_make(0); /* where to copy this message */
  FILE *fp_tmp = NULL;
  struct Body *pbody = NULL;
  int i;
  bool free_clear_content = false;

  struct Body *clear_content = NULL;
  char *pgpkeylist = NULL;
  /* save current value of "pgp_sign_as"  and "smime_default_key" */
  char *pgp_sign_as = NULL;
  char *smime_sign_as = NULL;
  const char *tag = NULL;
  char *err = NULL;
  char *ctype = NULL;
  char *finalpath = NULL;
  struct EmailNode *en = NULL;
  struct Email *e_cur = NULL;

  if (el)
    en = STAILQ_FIRST(el);
  if (en)
    e_cur = STAILQ_NEXT(en, entries) ? NULL : en->email;

  int rc = -1;

#ifdef USE_NNTP
  if (flags & SEND_NEWS)
    OptNewsSend = true;
  else
    OptNewsSend = false;
#endif

  const enum QuadOption c_recall = cs_subset_quad(sub, "recall");

  if (!flags && !e_templ && (c_recall != MUTT_NO) &&
      mutt_num_postponed(ctx ? ctx->mailbox : NULL, true))
  {
    /* If the user is composing a new message, check to see if there
     * are any postponed messages first.  */
    enum QuadOption ans =
        query_quadoption(c_recall, _("Recall postponed message?"));
    if (ans == MUTT_ABORT)
      return rc;

    if (ans == MUTT_YES)
      flags |= SEND_POSTPONED;
  }

  /* Allocate the buffer due to the long lifetime, but
   * pre-resize it to ensure there are no NULL data field issues */
  mutt_buffer_alloc(&fcc, 1024);

  if (flags & SEND_POSTPONED)
  {
    if (WithCrypto & APPLICATION_PGP)
    {
      const char *c_pgp_sign_as = cs_subset_string(sub, "pgp_sign_as");
      pgp_sign_as = mutt_str_dup(c_pgp_sign_as);
    }
    if (WithCrypto & APPLICATION_SMIME)
    {
      const char *c_smime_sign_as = cs_subset_string(sub, "smime_sign_as");
      smime_sign_as = mutt_str_dup(c_smime_sign_as);
    }
  }

  /* Delay expansion of aliases until absolutely necessary--shouldn't
   * be necessary unless we are prompting the user or about to execute a
   * send-hook.  */

  if (!e_templ)
  {
    e_templ = email_new();

    if (flags == SEND_POSTPONED)
    {
      rc = mutt_get_postponed(ctx, e_templ, &e_cur, &fcc);
      if (rc < 0)
      {
        flags = SEND_POSTPONED;
        goto cleanup;
      }
      flags = rc;
#ifdef USE_NNTP
      /* If postponed message is a news article, it have
       * a "Newsgroups:" header line, then set appropriate flag.  */
      if (e_templ->env->newsgroups)
      {
        flags |= SEND_NEWS;
        OptNewsSend = true;
      }
      else
      {
        flags &= ~SEND_NEWS;
        OptNewsSend = false;
      }
#endif
    }

    if (flags & (SEND_POSTPONED | SEND_RESEND))
    {
      fp_tmp = mutt_file_fopen(e_templ->content->filename, "a+");
      if (!fp_tmp)
      {
        mutt_perror(e_templ->content->filename);
        goto cleanup;
      }
    }

    if (!e_templ->env)
      e_templ->env = mutt_env_new();
  }

  /* Parse and use an eventual list-post header */
  if ((flags & SEND_LIST_REPLY) && e_cur && e_cur->env && e_cur->env->list_post)
  {
    /* Use any list-post header as a template */
    mutt_parse_mailto(e_templ->env, NULL, e_cur->env->list_post);
    /* We don't let them set the sender's address. */
    mutt_addrlist_clear(&e_templ->env->from);
  }

  if (!(flags & (SEND_KEY | SEND_POSTPONED | SEND_RESEND)))
  {
    /* When SEND_DRAFT_FILE is set, the caller has already
     * created the "parent" body structure.  */
    if (!(flags & SEND_DRAFT_FILE))
    {
      pbody = mutt_body_new();
      pbody->next = e_templ->content; /* don't kill command-line attachments */
      e_templ->content = pbody;

      const char *c_content_type = cs_subset_string(sub, "content_type");
      ctype = mutt_str_dup(c_content_type);
      if (!ctype)
        ctype = mutt_str_dup("text/plain");
      mutt_parse_content_type(ctype, e_templ->content);
      FREE(&ctype);
      e_templ->content->unlink = true;
      e_templ->content->use_disp = false;
      e_templ->content->disposition = DISP_INLINE;

      if (tempfile)
      {
        fp_tmp = mutt_file_fopen(tempfile, "a+");
        e_templ->content->filename = mutt_str_dup(tempfile);
      }
      else
      {
        mutt_mktemp(buf, sizeof(buf));
        fp_tmp = mutt_file_fopen(buf, "w+");
        e_templ->content->filename = mutt_str_dup(buf);
      }
    }
    else
      fp_tmp = mutt_file_fopen(e_templ->content->filename, "a+");

    if (!fp_tmp)
    {
      mutt_debug(LL_DEBUG1, "can't create tempfile %s (errno=%d)\n",
                 e_templ->content->filename, errno);
      mutt_perror(e_templ->content->filename);
      goto cleanup;
    }
  }

  const bool c_reverse_name = cs_subset_bool(sub, "reverse_name");
  /* this is handled here so that the user can match ~f in send-hook */
  if (e_cur && c_reverse_name && !(flags & (SEND_POSTPONED | SEND_RESEND)))
  {
    /* We shouldn't have to worry about alias expansion here since we are
     * either replying to a real or postponed message, therefore no aliases
     * should exist since the user has not had the opportunity to add
     * addresses to the list.  We just have to ensure the postponed messages
     * have their aliases expanded.  */

    if (!TAILQ_EMPTY(&e_templ->env->from))
    {
      mutt_debug(LL_DEBUG5, "e_templ->env->from before set_reverse_name: %s\n",
                 TAILQ_FIRST(&e_templ->env->from)->mailbox);
      mutt_addrlist_clear(&e_templ->env->from);
    }
    set_reverse_name(&e_templ->env->from, e_cur->env, sub);
  }

  const bool c_reply_with_xorig = cs_subset_bool(sub, "reply_with_xorig");
  if (e_cur && c_reply_with_xorig && !(flags & (SEND_POSTPONED | SEND_RESEND | SEND_FORWARD)))
  {
    /* We shouldn't have to worry about freeing 'e_templ->env->from' before
     * setting it here since this code will only execute when doing some
     * sort of reply. The pointer will only be set when using the -H command
     * line option.
     *
     * If there is already a from address recorded in 'e_templ->env->from',
     * then it theoretically comes from `$reverse_name` handling, and we don't use
     * the 'X-Orig-To header'.  */
    if (!TAILQ_EMPTY(&e_cur->env->x_original_to) && TAILQ_EMPTY(&e_templ->env->from))
    {
      mutt_addrlist_copy(&e_templ->env->from, &e_cur->env->x_original_to, false);
      mutt_debug(LL_DEBUG5, "e_templ->env->from extracted from X-Original-To: header: %s\n",
                 TAILQ_FIRST(&e_templ->env->from)->mailbox);
    }
  }

  const bool c_resume_draft_files = cs_subset_bool(sub, "resume_draft_files");
  const char *c_editor = cs_subset_string(sub, "editor");
  if (!(flags & (SEND_POSTPONED | SEND_RESEND)) &&
      !((flags & SEND_DRAFT_FILE) && c_resume_draft_files))
  {
    if ((flags & (SEND_REPLY | SEND_FORWARD | SEND_TO_SENDER)) && ctx &&
        (envelope_defaults(e_templ->env, ctx->mailbox, el, flags, sub) == -1))
    {
      goto cleanup;
    }

    const bool c_hdrs = cs_subset_bool(sub, "hdrs");
    if (c_hdrs)
      process_user_recips(e_templ->env);

    /* Expand aliases and remove duplicates/crossrefs */
    mutt_expand_aliases_env(e_templ->env);

    if (flags & SEND_REPLY)
      mutt_fix_reply_recipients(e_templ->env, sub);

#ifdef USE_NNTP
    if ((flags & SEND_NEWS) && ctx && (ctx->mailbox->type == MUTT_NNTP) &&
        !e_templ->env->newsgroups)
    {
      e_templ->env->newsgroups =
          mutt_str_dup(((struct NntpMboxData *) ctx->mailbox->mdata)->group);
    }
#endif

    const bool c_autoedit = cs_subset_bool(sub, "autoedit");
    const bool c_edit_headers = cs_subset_bool(sub, "edit_headers");
    const bool c_fast_reply = cs_subset_bool(sub, "fast_reply");
    if (!(flags & SEND_BATCH) && !(c_autoedit && c_edit_headers) &&
        !((flags & SEND_REPLY) && c_fast_reply))
    {
      if (edit_envelope(e_templ->env, flags, sub) == -1)
        goto cleanup;
    }

    /* the from address must be set here regardless of whether or not
     * $use_from is set so that the '~P' (from you) operator in send-hook
     * patterns will work.  if $use_from is unset, the from address is killed
     * after send-hooks are evaluated */

    const bool killfrom = TAILQ_EMPTY(&e_templ->env->from);
    if (killfrom)
    {
      mutt_addrlist_append(&e_templ->env->from, mutt_default_from(sub));
    }

    if ((flags & SEND_REPLY) && e_cur)
    {
      /* change setting based upon message we are replying to */
      mutt_message_hook(ctx ? ctx->mailbox : NULL, e_cur, MUTT_REPLY_HOOK);

      /* set the replied flag for the message we are generating so that the
       * user can use ~Q in a send-hook to know when reply-hook's are also
       * being used.  */
      e_templ->replied = true;
    }

    /* change settings based upon recipients */

    mutt_message_hook(NULL, e_templ, MUTT_SEND_HOOK);

    /* Unset the replied flag from the message we are composing since it is
     * no longer required.  This is done here because the FCC'd copy of
     * this message was erroneously get the 'R'eplied flag when stored in
     * a maildir-style mailbox.  */
    e_templ->replied = false;

    /* $use_from and/or $from might have changed in a send-hook */
    if (killfrom)
    {
      mutt_addrlist_clear(&e_templ->env->from);

      const bool c_use_from = cs_subset_bool(sub, "use_from");
      if (c_use_from && !(flags & (SEND_POSTPONED | SEND_RESEND)))
        mutt_addrlist_append(&e_templ->env->from, mutt_default_from(sub));
    }

    if (c_hdrs)
      process_user_header(e_templ->env);

    if (flags & SEND_BATCH)
    {
      if (mutt_file_copy_stream(stdin, fp_tmp) < 1)
      {
        mutt_error(_("Refusing to send an empty email"));
        mutt_message(_("Try: echo | neomutt -s 'subject' user@example.com"));
        goto cleanup;
      }
    }

    const bool c_sig_on_top = cs_subset_bool(sub, "sig_on_top");
    if (c_sig_on_top && !(flags & (SEND_KEY | SEND_BATCH)) && c_editor)
    {
      append_signature(fp_tmp, sub);
    }

    /* include replies/forwarded messages, unless we are given a template */
    if (!tempfile && (ctx || !(flags & (SEND_REPLY | SEND_FORWARD))) &&
        (generate_body(fp_tmp, e_templ, flags, ctx ? ctx->mailbox : NULL, el, sub) == -1))
    {
      goto cleanup;
    }

    if (!c_sig_on_top && !(flags & (SEND_KEY | SEND_BATCH)) && c_editor)
    {
      append_signature(fp_tmp, sub);
    }
  }

  /* Only set format=flowed for new messages.  postponed/resent/draftfiles
   * should respect the original email.
   *
   * This is set here so that send-hook can be used to turn the option on.  */
  if (!(flags & (SEND_KEY | SEND_POSTPONED | SEND_RESEND | SEND_DRAFT_FILE)))
  {
    const bool c_text_flowed = cs_subset_bool(sub, "text_flowed");
    if (c_text_flowed && (e_templ->content->type == TYPE_TEXT) &&
        mutt_istr_equal(e_templ->content->subtype, "plain"))
    {
      mutt_param_set(&e_templ->content->parameter, "format", "flowed");
    }
  }

  /* This hook is even called for postponed messages, and can, e.g., be used
   * for setting the editor, the sendmail path, or the envelope sender.  */
  mutt_message_hook(NULL, e_templ, MUTT_SEND2_HOOK);

  /* wait until now to set the real name portion of our return address so
   * that $realname can be set in a send-hook */
  {
    struct Address *from = TAILQ_FIRST(&e_templ->env->from);
    if (from && !from->personal && !(flags & (SEND_RESEND | SEND_POSTPONED)))
    {
      const char *c_realname = cs_subset_string(sub, "realname");
      from->personal = mutt_str_dup(c_realname);
    }
  }

  if (!(((WithCrypto & APPLICATION_PGP) != 0) && (flags & SEND_KEY)))
    mutt_file_fclose(&fp_tmp);

  if (!(flags & SEND_BATCH))
  {
    struct stat st;
    time_t mtime = mutt_file_decrease_mtime(e_templ->content->filename, NULL);

    mutt_update_encoding(e_templ->content, sub);

    const bool c_edit_headers = cs_subset_bool(sub, "edit_headers");
    const bool c_autoedit = cs_subset_bool(sub, "autoedit");
    const enum QuadOption c_forward_edit = cs_subset_quad(sub, "forward_edit");

    /* Select whether or not the user's editor should be called now.  We
     * don't want to do this when:
     * 1) we are sending a key/cert
     * 2) we are forwarding a message and the user doesn't want to edit it.
     *    This is controlled by the quadoption $forward_edit.  However, if
     *    both $edit_headers and $autoedit are set, we want to ignore the
     *    setting of $forward_edit because the user probably needs to add the
     *    recipients.  */
    if (!(flags & SEND_KEY) &&
        (((flags & SEND_FORWARD) == 0) || (c_edit_headers && c_autoedit) ||
         (query_quadoption(c_forward_edit, _("Edit forwarded message?")) == MUTT_YES)))
    {
      /* If the this isn't a text message, look for a mailcap edit command */
      if (mutt_needs_mailcap(e_templ->content))
      {
        if (!mutt_edit_attachment(e_templ->content))
          goto cleanup;
      }
      else if (c_edit_headers)
      {
        mutt_env_to_local(e_templ->env);
        mutt_edit_headers(c_editor, e_templ->content->filename, e_templ, &fcc);
        mutt_env_to_intl(e_templ->env, NULL, NULL);
      }
      else
      {
        mutt_edit_file(c_editor, e_templ->content->filename);
        if (stat(e_templ->content->filename, &st) == 0)
        {
          if (mtime != st.st_mtime)
            fix_end_of_file(e_templ->content->filename);
        }
        else
          mutt_perror(e_templ->content->filename);
      }

      mutt_message_hook(NULL, e_templ, MUTT_SEND2_HOOK);
    }

    if (!(flags & (SEND_POSTPONED | SEND_FORWARD | SEND_KEY | SEND_RESEND | SEND_DRAFT_FILE)))
    {
      if (stat(e_templ->content->filename, &st) == 0)
      {
        const enum QuadOption c_abort_unmodified =
            cs_subset_quad(sub, "abort_unmodified");

        /* if the file was not modified, bail out now */
        if ((mtime == st.st_mtime) && !e_templ->content->next &&
            (query_quadoption(c_abort_unmodified,
                              _("Abort unmodified message?")) == MUTT_YES))
        {
          mutt_message(_("Aborted unmodified message"));
          goto cleanup;
        }
      }
      else
        mutt_perror(e_templ->content->filename);
    }
  }

  /* Set the message security unless:
   * 1) crypto support is not enabled (WithCrypto==0)
   * 2) pgp: header field was present during message editing with $edit_headers (e_templ->security != 0)
   * 3) we are resending a message
   * 4) we are recalling a postponed message (don't override the user's saved settings)
   * 5) we are in batch mode
   *
   * This is done after allowing the user to edit the message so that security
   * settings can be configured with send2-hook and $edit_headers.  */
  if ((WithCrypto != 0) && (e_templ->security == 0) &&
      !(flags & (SEND_BATCH | SEND_POSTPONED | SEND_RESEND)))
  {
    bool c_autocrypt = false;
    bool c_autocrypt_reply = false;

#ifdef USE_AUTOCRYPT
    c_autocrypt = cs_subset_bool(sub, "autocrypt");
    c_autocrypt_reply = cs_subset_bool(sub, "autocrypt_reply");
#endif

    if (c_autocrypt && c_autocrypt_reply && e_cur && (e_cur->security & SEC_AUTOCRYPT))
    {
      e_templ->security |= (SEC_AUTOCRYPT | SEC_AUTOCRYPT_OVERRIDE | APPLICATION_PGP);
    }
    else
    {
      const bool c_crypt_autosign = cs_subset_bool(sub, "crypt_autosign");
      const bool c_crypt_autoencrypt = cs_subset_bool(sub, "crypt_autoencrypt");
      const bool c_crypt_replyencrypt =
          cs_subset_bool(sub, "crypt_replyencrypt");
      const bool c_crypt_replysign = cs_subset_bool(sub, "crypt_replysign");
      const bool c_crypt_replysignencrypted =
          cs_subset_bool(sub, "crypt_replysignencrypted");

      if (c_crypt_autosign)
        e_templ->security |= SEC_SIGN;
      if (c_crypt_autoencrypt)
        e_templ->security |= SEC_ENCRYPT;
      if (c_crypt_replyencrypt && e_cur && (e_cur->security & SEC_ENCRYPT))
        e_templ->security |= SEC_ENCRYPT;
      if (c_crypt_replysign && e_cur && (e_cur->security & SEC_SIGN))
        e_templ->security |= SEC_SIGN;
      if (c_crypt_replysignencrypted && e_cur && (e_cur->security & SEC_ENCRYPT))
        e_templ->security |= SEC_SIGN;

      const bool c_crypt_opportunistic_encrypt =
          cs_subset_bool(sub, "crypt_opportunistic_encrypt");

      if (((WithCrypto & APPLICATION_PGP) != 0) &&
          ((e_templ->security & (SEC_ENCRYPT | SEC_SIGN)) || c_crypt_opportunistic_encrypt))
      {
        const bool c_pgp_autoinline = cs_subset_bool(sub, "pgp_autoinline");
        const bool c_pgp_replyinline = cs_subset_bool(sub, "pgp_replyinline");

        if (c_pgp_autoinline)
          e_templ->security |= SEC_INLINE;
        if (c_pgp_replyinline && e_cur && (e_cur->security & SEC_INLINE))
          e_templ->security |= SEC_INLINE;
      }
    }

    const bool c_crypt_opportunistic_encrypt =
        cs_subset_bool(sub, "crypt_opportunistic_encrypt");

    if (e_templ->security || c_crypt_opportunistic_encrypt)
    {
      const bool c_crypt_autopgp = cs_subset_bool(sub, "crypt_autopgp");
      const bool c_crypt_autosmime = cs_subset_bool(sub, "crypt_autosmime");

      /* When replying / forwarding, use the original message's
       * crypto system.  According to the documentation,
       * smime_is_default should be disregarded here.
       *
       * Problem: At least with forwarding, this doesn't really
       * make much sense. Should we have an option to completely
       * disable individual mechanisms at run-time?  */
      if (e_cur)
      {
        if (((WithCrypto & APPLICATION_PGP) != 0) && c_crypt_autopgp &&
            (e_cur->security & APPLICATION_PGP))
        {
          e_templ->security |= APPLICATION_PGP;
        }
        else if (((WithCrypto & APPLICATION_SMIME) != 0) && c_crypt_autosmime &&
                 (e_cur->security & APPLICATION_SMIME))
        {
          e_templ->security |= APPLICATION_SMIME;
        }
      }

      const bool c_smime_is_default = cs_subset_bool(sub, "smime_is_default");

      /* No crypto mechanism selected? Use availability + smime_is_default
       * for the decision.  */
      if (!(e_templ->security & (APPLICATION_SMIME | APPLICATION_PGP)))
      {
        if (((WithCrypto & APPLICATION_SMIME) != 0) && c_crypt_autosmime && c_smime_is_default)
        {
          e_templ->security |= APPLICATION_SMIME;
        }
        else if (((WithCrypto & APPLICATION_PGP) != 0) && c_crypt_autopgp)
        {
          e_templ->security |= APPLICATION_PGP;
        }
        else if (((WithCrypto & APPLICATION_SMIME) != 0) && c_crypt_autosmime)
        {
          e_templ->security |= APPLICATION_SMIME;
        }
      }
    }

    /* opportunistic encrypt relies on SMIME or PGP already being selected */
    if (c_crypt_opportunistic_encrypt)
    {
      /* If something has already enabled encryption, e.g. `$crypt_autoencrypt`
       * or `$crypt_replyencrypt`, then don't enable opportunistic encrypt for
       * the message.  */
      if (!(e_templ->security & (SEC_ENCRYPT | SEC_AUTOCRYPT)))
      {
        e_templ->security |= SEC_OPPENCRYPT;
        crypt_opportunistic_encrypt(e_templ);
      }
    }

    /* No permissible mechanisms found.  Don't sign or encrypt. */
    if (!(e_templ->security & (APPLICATION_SMIME | APPLICATION_PGP)))
      e_templ->security = SEC_NO_FLAGS;
  }

  /* Deal with the corner case where the crypto module backend is not available.
   * This can happen if configured without PGP/SMIME and with GPGME, but
   * $crypt_use_gpgme is unset.  */
  if (e_templ->security && !crypt_has_module_backend(e_templ->security))
  {
    mutt_error(_(
        "No crypto backend configured.  Disabling message security setting."));
    e_templ->security = SEC_NO_FLAGS;
  }

  /* specify a default fcc.  if we are in batchmode, only save a copy of
   * the message if the value of $copy is yes or ask-yes */

  const enum QuadOption c_copy = cs_subset_quad(sub, "copy");

  if (mutt_buffer_is_empty(&fcc) && !(flags & SEND_POSTPONED_FCC) &&
      (!(flags & SEND_BATCH) || (c_copy & 0x1)))
  {
    /* set the default FCC */
    const bool killfrom = TAILQ_EMPTY(&e_templ->env->from);
    if (killfrom)
    {
      mutt_addrlist_append(&e_templ->env->from, mutt_default_from(sub));
    }
    mutt_select_fcc(&fcc, e_templ);
    if (killfrom)
    {
      mutt_addrlist_clear(&e_templ->env->from);
    }
  }

  mutt_rfc3676_space_stuff(e_templ);

  mutt_update_encoding(e_templ->content, sub);

  if (!(flags & SEND_BATCH))
  {
  main_loop:

    mutt_buffer_pretty_mailbox(&fcc);
    i = mutt_compose_menu(e_templ, &fcc, e_cur,
                          ((flags & SEND_NO_FREE_HEADER) ? MUTT_COMPOSE_NOFREEHEADER : 0));
    if (i == -1)
    {
/* abort */
#ifdef USE_NNTP
      if (flags & SEND_NEWS)
        mutt_message(_("Article not posted"));
      else
#endif
        mutt_message(_("Mail not sent"));
      goto cleanup;
    }
    else if (i == 1)
    {
      if (postpone_message(e_templ, e_cur, mutt_b2s(&fcc), flags, sub) != 0)
        goto main_loop;
      mutt_message(_("Message postponed"));
      rc = 1;
      goto cleanup;
    }
  }

#ifdef USE_NNTP
  if (!(flags & SEND_NEWS))
#endif
    if ((mutt_addrlist_count_recips(&e_templ->env->to) == 0) &&
        (mutt_addrlist_count_recips(&e_templ->env->cc) == 0) &&
        (mutt_addrlist_count_recips(&e_templ->env->bcc) == 0))
    {
      if (flags & SEND_BATCH)
      {
        puts(_("No recipients specified"));
        goto cleanup;
      }

      mutt_error(_("No recipients specified"));
      goto main_loop;
    }

  if (mutt_env_to_intl(e_templ->env, &tag, &err))
  {
    mutt_error(_("Bad IDN in '%s': '%s'"), tag, err);
    FREE(&err);
    if (flags & SEND_BATCH)
      goto cleanup;
    goto main_loop;
  }

  const enum QuadOption c_abort_nosubject =
      cs_subset_quad(sub, "abort_nosubject");

  if (!e_templ->env->subject && !(flags & SEND_BATCH) &&
      (query_quadoption(c_abort_nosubject, _("No subject, abort sending?")) != MUTT_NO))
  {
    /* if the abort is automatic, print an error message */
    if (c_abort_nosubject == MUTT_YES)
      mutt_error(_("No subject specified"));
    goto main_loop;
  }
#ifdef USE_NNTP
  if ((flags & SEND_NEWS) && !e_templ->env->subject)
  {
    mutt_error(_("No subject specified"));
    goto main_loop;
  }

  if ((flags & SEND_NEWS) && !e_templ->env->newsgroups)
  {
    mutt_error(_("No newsgroup specified"));
    goto main_loop;
  }
#endif

  const enum QuadOption c_abort_noattach =
      cs_subset_quad(sub, "abort_noattach");

  if (!(flags & SEND_BATCH) && (c_abort_noattach != MUTT_NO) &&
      !e_templ->content->next && (e_templ->content->type == TYPE_TEXT) &&
      mutt_istr_equal(e_templ->content->subtype, "plain") &&
      search_attach_keyword(e_templ->content->filename, sub) &&
      (query_quadoption(c_abort_noattach,
                        _("No attachments, cancel sending?")) != MUTT_NO))
  {
    /* if the abort is automatic, print an error message */
    if (c_abort_noattach == MUTT_YES)
    {
      mutt_error(_("Message contains text matching "
                   "\"$abort_noattach_regex\". Not sending."));
    }
    goto main_loop;
  }

  if (e_templ->content->next)
    e_templ->content = mutt_make_multipart(e_templ->content);

  /* Ok, we need to do it this way instead of handling all fcc stuff in
   * one place in order to avoid going to main_loop with encoded "env"
   * in case of error.  Ugh.  */

  mutt_encode_descriptions(e_templ->content, true, sub);

  /* Make sure that clear_content and free_clear_content are
   * properly initialized -- we may visit this particular place in
   * the code multiple times, including after a failed call to
   * mutt_protect().  */

  clear_content = NULL;
  free_clear_content = false;

  if (WithCrypto)
  {
    if (e_templ->security & (SEC_ENCRYPT | SEC_SIGN | SEC_AUTOCRYPT))
    {
      /* save the decrypted attachments */
      clear_content = e_templ->content;

      if ((crypt_get_keys(e_templ, &pgpkeylist, 0) == -1) ||
          (mutt_protect(e_templ, pgpkeylist, false) == -1))
      {
        e_templ->content = mutt_remove_multipart(e_templ->content);

        FREE(&pgpkeylist);

        decode_descriptions(e_templ->content);
        goto main_loop;
      }
      mutt_encode_descriptions(e_templ->content, false, sub);
    }

    /* at this point, e_templ->content is one of the following three things:
     * - multipart/signed.     In this case, clear_content is a child
     * - multipart/encrypted.  In this case, clear_content exists independently
     * - application/pgp.      In this case, clear_content exists independently
     * - something else.       In this case, it's the same as clear_content */

    /* This is ugly -- lack of "reporting back" from mutt_protect(). */

    if (clear_content && (e_templ->content != clear_content) &&
        (e_templ->content->parts != clear_content))
      free_clear_content = true;
  }

  if (!OptNoCurses)
    mutt_message(_("Sending message..."));

  mutt_prepare_envelope(e_templ->env, true, sub);

  const bool c_fcc_before_send = cs_subset_bool(sub, "fcc_before_send");
  if (c_fcc_before_send)
    save_fcc(e_templ, &fcc, clear_content, pgpkeylist, flags, &finalpath, sub);

  i = invoke_mta(e_templ, sub);
  if (i < 0)
  {
    if (!(flags & SEND_BATCH))
    {
      if (!WithCrypto)
        ; // do nothing
      else if ((e_templ->security & (SEC_ENCRYPT | SEC_AUTOCRYPT)) ||
               ((e_templ->security & SEC_SIGN) && (e_templ->content->type == TYPE_APPLICATION)))
      {
        if (e_templ->content != clear_content)
        {
          mutt_body_free(&e_templ->content); /* destroy PGP data */
          e_templ->content = clear_content;  /* restore clear text. */
        }
      }
      else if ((e_templ->security & SEC_SIGN) && (e_templ->content->type == TYPE_MULTIPART))
      {
        mutt_body_free(&e_templ->content->parts->next); /* destroy sig */
        e_templ->content = mutt_remove_multipart(e_templ->content);
      }

      FREE(&pgpkeylist);
      mutt_env_free(&e_templ->content->mime_headers); /* protected headers */
      e_templ->content = mutt_remove_multipart(e_templ->content);
      decode_descriptions(e_templ->content);
      mutt_unprepare_envelope(e_templ->env);
      FREE(&finalpath);
      goto main_loop;
    }
    else
    {
      puts(_("Could not send the message"));
      goto cleanup;
    }
  }

  if (!c_fcc_before_send)
    save_fcc(e_templ, &fcc, clear_content, pgpkeylist, flags, &finalpath, sub);

  if (!OptNoCurses)
  {
    mutt_message((i != 0) ? _("Sending in background") :
                            (flags & SEND_NEWS) ? _("Article posted") : /* USE_NNTP */
                                _("Mail sent"));
#ifdef USE_NOTMUCH
    const bool c_nm_record = cs_subset_bool(sub, "nm_record");
    if (c_nm_record)
      nm_record_message(ctx ? ctx->mailbox : NULL, finalpath, e_cur);
#endif
    mutt_sleep(0);
  }

  if (WithCrypto)
    FREE(&pgpkeylist);

  if ((WithCrypto != 0) && free_clear_content)
    mutt_body_free(&clear_content);

  /* set 'replied' flag only if the user didn't change/remove
   * In-Reply-To: and References: headers during edit */
  if (flags & SEND_REPLY)
  {
    if (!(flags & SEND_POSTPONED) && ctx && ctx->mailbox)
    {
      STAILQ_FOREACH(en, el, entries)
      {
        mutt_set_flag(ctx->mailbox, en->email, MUTT_REPLIED, is_reply(en->email, e_templ));
      }
    }
  }

  rc = 0;

cleanup:
  mutt_buffer_dealloc(&fcc);

  if (flags & SEND_POSTPONED)
  {
    if (WithCrypto & APPLICATION_PGP)
    {
      cs_subset_str_string_set(sub, "pgp_sign_as", pgp_sign_as, NULL);
    }
    if (WithCrypto & APPLICATION_SMIME)
    {
      cs_subset_str_string_set(sub, "smime_sign_as", smime_sign_as, NULL);
    }
  }

  mutt_file_fclose(&fp_tmp);
  if (!(flags & SEND_NO_FREE_HEADER))
    email_free(&e_templ);

  FREE(&finalpath);
  return rc;
}

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