eManager from Trend Micro Inc. ("Spam" Mail and E-mail Content Filtering)
Platforms: Solaris, Windows NT
Price: $816 for InterScan VirusWall and eManager suite with 25-user license
URL: http://www.antivirus.com

A key element of eManager is the "spam" filter, designed to prevent junk e-mail from clogging the corporate network. eManager is being introduced in conjunction with InterScan VirusWall3.0, Trend Micro's Internet gateway traffic scanning software. eManager's features include:

• A rule-based spam filter that allows eManager to block junk mail before it reaches a company's mail server. The spam filter includes both a self-updating list of common spam sources and a customizable list of sources. The filter checks message headers (to, from, cc and subject fields) for routing domain, inbound/outbound status and message size, and checks the message body for designated keywords and phrases.

• An e-mail content filter that can sift through messages to prevent distribution of confidential or inappropriate information into or out of the enterprise. Filter profiles are based on keyword lists, Boolean ("not") keyword lists and synonyms. Blocked e-mail can be deleted, quarantined or archived.

• A rule-based e-mail manager designed to conserve network bandwidth by managing the delivery time of e-mail with large attachments. The software checks message headers for routing domain, inbound/outbound status and message size, then reschedules message delivery as appropriate to off-peak hours. The e-mail manager provides IT managers with easy-to-interpret graphs with statistical information about inbound and outbound e-mail traffic on an ongoing basis, which can be used to make appropriate delivery time decisions.

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