Hi
Some mailservers don't understand EHLO but this is needed for TLS and
authentification. With this small patch EHLO is only used if it is required.
diff -u -r1.50 sendmail.c
--- sendmail.c 12 Aug 2007 15:53:52 -0000 1.50
+++ sendmail.c 19 Aug 2007 21:19:36 -0000
@@ -127,7 +127,14 @@
}
do_status(&S);
- do_send(&S, "EHLO %s\r\n", S.localhost);
+
+ /* Use EHLO if TLS or Authentification is requested */
+ if((S.ssl.use_ssl && S.ssl.version == SSL_VERSION_TLS) ||
+ S.username) {
+ do_send(&S, "EHLO %s\r\n", S.localhost);
+ } else {
+ do_send(&S, "HELO %s\r\n", S.localhost);
+ }
do_status(&S);
/* Switch to TLS now if configured */
Thomas
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