Mail Storage Guard is an extension for Microsoft Exchange 2000/2003 and IIS SMTP servers, designed to protect your mail server from spam, prevents mail relaying, mail bomb and NDR attacks. Support extended blacklists with wildcards; public DNS blacklists (ORDB, SPEWS, SPAMCOP and others); can reject all "misaddressed" mail (recipient not listed in Active Directory) at SMTP level or point it towards your postmaster; as well as many other features.

602LAN SUITE is an easy-to-install and manage all-in-one network software suite providing secure e-mail services with anti-virus & anti-spam, fax support, built-in firewall with NAT and web content filter proxy for controlled Internet sharing. Combine the content based Bayesian anti-spam filter, blacklists & whitelists together with e-mail attachment filtering to provide complete junk e-mail protection. The 5 user version is FREE!

AWSPS features a very comprehensive set of tools, some of them unique, for in-depth assessment of Network Security, namely 2 TCP port scanners, 1 UDP port scanner, 1 NetBIOS scanner, comprehensive Local Host and LAN information, NSLookUp, Ping, Finger and much more.