program/include/rcmail.php
@@ -453,9 +453,10 @@ $username .= '@'.$config['username_domain']; } // try to resolve email address from virtuser table if (!empty($config['virtuser_file']) && strpos($username, '@')) $username = rcube_user::email2user($username); // try to resolve email address from virtuser table if (strpos($username, '@')) if ($virtuser = rcube_user::email2user($username)) $username = $virtuser; // lowercase username if it's an e-mail address (#1484473) if (strpos($username, '@'))
