Mail Storage Guard Protect your server from spam & attacks Platforms: Windows XP     Size: 1.70 M     Cost: $69 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Mail Storage Guard: Mail Storage Guard is an extension for Microsoft Exchange 2000/5.5 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 its to postmaster; and many other features.