On 2021-11-22 12:18 -0600, Aaron Poffenberger <a...@hypernote.com> wrote: > On 2021-11-22 10:02 -0800, Kevin J. McCarthy <ke...@8t8.us> wrote: > > On Mon, Nov 22, 2021 at 10:09:16AM -0600, Aaron Poffenberger wrote: > > > Lastly, the patch updates the documentation and changes the default > > > message_id_format from "<%z@%f>", to "<%z@%F>" so that Message-IDs are > > > always generated using the fqdn of the From address. > > > > I'm against changing the default. The behavior you're describing by AT&T is > > insane, and I don't believe Mutt's LHS randomization is strong enough to > > support the from address domain by default. > > Fair enough. Just having the option to use %F is enough for me. > > The attached patch removes that change. > > >
Here's a revised version of the patch. I forgot to set fmt back to "<%z@%f>" in the messageid.c, and the from_fqdn variable wasn't sorted correctly with the others in the function. Cheers, --Aaron diff --git a/init.h b/init.h index 0d920fcd..43374fdd 100644 --- a/init.h +++ b/init.h @@ -2210,6 +2210,7 @@ struct option_t MuttVars[] = { ** .dt %c .dd step counter looping from ``A'' to ``Z'' ** .dt %d .dd current day of the month (GMT) ** .dt %f .dd $$hostname + ** .dt %F .dd From hostname (after @ in from address) ** .dt %H .dd current hour using a 24-hour clock (GMT) ** .dt %m .dd current month number (GMT) ** .dt %M .dd current minute of the hour (GMT) diff --git a/messageid.c b/messageid.c index e4ac4410..1825640a 100644 --- a/messageid.c +++ b/messageid.c @@ -30,6 +30,7 @@ typedef struct msg_id_data time_t now; struct tm tm; const char *fqdn; + const char *from_fqdn; } MSG_ID_DATA; static const char *id_format_str (char *dest, size_t destlen, size_t col, @@ -107,16 +108,21 @@ static const char *id_format_str (char *dest, size_t destlen, size_t col, case 'f': mutt_format_s (dest, destlen, fmt, id_data->fqdn); break; + + case 'F': + mutt_format_s (dest, destlen, fmt, id_data->from_fqdn); + break; } return (src); } -char *mutt_gen_msgid (void) +char *mutt_gen_msgid (const char *from) { MSG_ID_DATA id_data; BUFFER *buf, *tmp; const char *fmt; + char *from_fqdn; char *rv; id_data.now = time (NULL); @@ -124,6 +130,22 @@ char *mutt_gen_msgid (void) if (!(id_data.fqdn = mutt_fqdn(0))) id_data.fqdn = NONULL(Hostname); + /* from should be a fully-formatted email address, + * nevertheless, handle cases where the caller + * sends just the fqdn or NULL. */ + if (!from) + { + id_data.from_fqdn = id_data.fqdn; + } + else + { + from_fqdn = strchr (from, '@'); + if (from_fqdn) + id_data.from_fqdn = from_fqdn; + else + id_data.from_fqdn = from; + } + fmt = MessageIdFormat; if (!fmt) fmt = "<%z@%f>"; diff --git a/protos.h b/protos.h index fae28c99..f85e1862 100644 --- a/protos.h +++ b/protos.h @@ -151,7 +151,7 @@ void mutt_buffer_expand_multi_path_norel (BUFFER *src, const char *delimiter); void mutt_buffer_remove_path_password (BUFFER *dest, const char *src); char *mutt_find_hook (int, const char *); char *mutt_gecos_name (char *, size_t, struct passwd *); -char *mutt_gen_msgid (void); +char *mutt_gen_msgid (const char *); char *mutt_get_body_charset (char *, size_t, BODY *); const char *mutt_get_name (ADDRESS *); char *mutt_get_parameter (const char *, PARAMETER *); diff --git a/sendlib.c b/sendlib.c index 72f86e68..6334a3aa 100644 --- a/sendlib.c +++ b/sendlib.c @@ -2845,7 +2845,7 @@ void mutt_prepare_envelope (ENVELOPE *env, int final) mutt_set_followup_to (env); if (!env->message_id) - env->message_id = mutt_gen_msgid (); + env->message_id = mutt_gen_msgid (env->from->mailbox); } /* Take care of 8-bit => 7-bit conversion. */ @@ -2908,7 +2908,7 @@ static int _mutt_bounce_message (FILE *fp, HEADER *h, ADDRESS *to, const char *r fprintf (f, "Resent-Date: %s\n", mutt_b2s (date)); mutt_buffer_pool_release (&date); - msgid_str = mutt_gen_msgid(); + msgid_str = mutt_gen_msgid(resent_from); fprintf (f, "Resent-Message-ID: %s\n", msgid_str); fputs ("Resent-To: ", f); mutt_write_address_list (to, f, 11, 0);