lib-smtp: client: Make clear that XCLIENT is not sent if the server h…

…as no support.
dovecot · Mar 2, 2018 · fbd0a83 · fbd0a83
1 parent c52e5e6
commit fbd0a83
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lib-smtp/smtp-client-connection.c b/src/lib-smtp/smtp-client-connection.c
@@ -628,7 +628,8 @@ smtp_client_connection_send_xclient(struct smtp_client_connection *conn,
 
 	if (!conn->set.peer_trusted)
 		return;
-	if (conn->cap_xclient_args == NULL)
+	if ((conn->capabilities & SMTP_CAPABILITY_XCLIENT) == 0 ||
+	    conn->cap_xclient_args == NULL)
 		return;
 
 	str = t_str_new(64);