- reverted commit e2e9036 to avoid #4513

Author: Marius Burkard

interface/lib/classes/tform_actions.inc.php

@@ -111,8 +111,9 @@ function onUpdate() {
 
 		$ext_where = '';
 		// pre-fill dataRecord array with elements from database to avoid overwriting fields set by admin but hidden for client
-		$tmp_old_record = $app->tform->getDataRecord($this->id);
-		if($tmp_old_record && is_array($tmp_old_record)) $this->dataRecord = array_merge($tmp_old_record, $this->dataRecord);
+		//$tmp_old_record = $app->tform->getDataRecord($this->id);
+		//if($tmp_old_record && is_array($tmp_old_record)) $this->dataRecord = array_merge($tmp_old_record, $this->dataRecord);
+		// disabled due to problems with mail users, see https://git.ispconfig.org/ispconfig/ispconfig3/issues/4513
 		$sql = $app->tform->getSQL($this->dataRecord, $app->tform->getCurrentTab(), 'UPDATE', $this->id, $ext_where);
 		if($app->tform->errorMessage == '') {