Open Relay Filter for Exchange 2000 (using IIS SMTP service) (Standard Edition)
Version: 188.8.131.52This software helps you to block spams by blocking mails coming directly from open relay mail servers, using DNSBL (RBL) databases. Can be used with Microsoft Windows 2000 SMTP Service and Microsoft Exchange 2000 Server (using the built-in SMTP Service).
License: Free To Try $25.00
Operating System: Windows