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From 545f970465584ccab628f1528951541f5984aa0c Mon Sep 17 00:00:00 2001
From: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Date: Sun, 9 Feb 2014 09:49:36 +0100
Subject: [PATCH 2/2] sendmail: use FQDN in default envelope sender
RFC 5321 requires the return path to be supplied with a proper domain
name.
Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
mailutils/sendmail.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/mailutils/sendmail.c b/mailutils/sendmail.c
index 824109d..9455b4e 100644
--- a/mailutils/sendmail.c
+++ b/mailutils/sendmail.c
@@ -326,7 +326,6 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
// we should start with modern EHLO
if (250 != smtp_checkp("EHLO %s", host, -1))
smtp_checkp("HELO %s", host, 250);
- free(host);
// perform authentication
if (opts & OPT_a) {
@@ -353,8 +352,11 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
// got no sender address? use auth name, then UID username as a last resort
if (!opt_from) {
- opt_from = G.user ? G.user : xuid2uname(getuid());
+ opt_from = xasprintf("%s@%s",
+ G.user ? G.user : xuid2uname(getuid()),
+ xgethostbyname(host)->h_name);
}
+ free(host);
smtp_checkp("MAIL FROM:<%s>", opt_from, 250);
--
1.8.3.1
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