check reserved addresses

zimbraAddressAvailable.php

@@ -65,7 +65,7 @@ foreach ($customfieldIDsObj as $customfieldID) {
 $customfieldsvalues = array();
 $customfieldsvaluesObj = Capsule::table('tblcustomfieldsvalues')
 	->select('value')
-	->where('relid',$hostingIDs)
+	->where('fieldid', $customfieldIDs)
 	->get()
 	->toArray();