diff -ur loudmouth-1.4.3/loudmouth/lm-connection.c loudmouth-1.4.3.new/loudmouth/lm-connection.c
--- loudmouth-1.4.3/loudmouth/lm-connection.c	2008-10-29 21:38:26.000000000 +0100
+++ loudmouth-1.4.3.new/loudmouth/lm-connection.c	2009-06-06 16:53:12.000000000 +0200
@@ -1442,10 +1442,17 @@
 		connection->jid, connection->resource);
 
 	if (connection->use_sasl) {
+		gchar *domain = NULL;
+
+		if (!connection_get_server_from_jid (connection->jid, &domain)) {
+			domain = g_strdup (connection->server);
+		}
+
 		lm_sasl_authenticate (connection->sasl,
 				      username, password,
-				      connection->server,
+				      domain,
 				      connection_sasl_auth_finished);
+		g_free (domain);
 
 		connection->features_cb  =
 			lm_message_handler_new (connection_features_cb,