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| author | Kaarle Ritvanen | 2014-02-09 09:49:36 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2014-02-09 09:49:36 +0100 |
| commit | 4e03d4134202b117a29ecf5933a7a55e2a8532a4 (patch) | |
| tree | dc0dcb3fcd39600f6c7c6c9f795ef3ac00ade2f9 /mailutils/sendmail.c | |
| parent | 744ee5db1c2d6c34c1988343728b2fc37a908f83 (diff) | |
| download | busybox-4e03d4134202b117a29ecf5933a7a55e2a8532a4.zip busybox-4e03d4134202b117a29ecf5933a7a55e2a8532a4.tar.gz | |
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>
Diffstat (limited to 'mailutils/sendmail.c')
| -rw-r--r-- | mailutils/sendmail.c | 6 |
1 files 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); |