Hexamail Guard

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Hexamail Guard is a server based software antispam filter for the Windows and Linux platforms.
Acting as a gateway at the SMTP level or as a plugin for Microsoft Exchange Server, it supports most common anti spam filtering techniques including:

  • Bayesian pattern matching.
  • Keyword/String/Expression.
  • Header checks.
  • DNS based blocklists.
  • URL blocklists.
  • Image analysis.
  • Sender analysis using neural network.
  • Cloaking/Phishing detection.
  • Challenge-Response.
  • Blacklisting.
  • User-configurable whitelists.
  • Automatic Internet updates to blocking features.
  • Optional antivirus scanning.

In addition it supports external POP3 account downloading and filtering, a spam quarantine with multiple options for processing including: listing, forwarding, blocking, marking/tagging and deletion. Users can review their own spam through a web-based quarantine view.

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