check reserved addresses

zimbraAddressAvailable.php

@@ -59,13 +59,15 @@ $customfieldIDsObj = Capsule::table('tblcustomfields')
 	->orWhere('fieldname', 'LIKE', 'maildomain%')
 	->get()
 	->toArray();
-
+foreach ($customfieldIDsObj as $customfieldID) {
+	array_push($customfieldIDs, $customfieldID);
+}
 logModuleCall(
 	'zimbrasingle',
 	__FUNCTION__,
 	$zmAuthPIDs,
 	'debug',
-	$customfieldIDsObj
+	$customfieldIDs
 );