check reserved addresses

zimbraAddressAvailable.php

@@ -71,7 +71,7 @@ $customfieldsvaluesObj = Capsule::table('tblcustomfieldsvalues')
 	->toArray();
 foreach ($customfieldsvaluesObj as $customfieldsvalue) {
 	$mailname = $customfieldsvalue->value;
-	next($customfieldsvaluesObj);
+	next($customfieldsvalue);
 	$maildomain = $customfieldsvalue->value;
 	$reservedAddress = $mailname . '@' . $maildomain;
 	array_push($customfieldsvalues, $reservedAddress);