Anti-spam appliances

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Anti-spam appliances are software or hardware devices integrated with on-board software that implement spam filtering[1] and/or anti-spam for instant messaging (also called "spim") and are deployed at the gateway or in front of the mail server. They are normally driven by an operating system optimized for spam filtering. They are generally used in larger networks such as companies and corporations, ISPs, universities, etc.

Reasons hardware anti-spam appliances might be selected instead of software could include:

  • The customer prefers to buy hardware rather than software
  • Ease of installation
  • Operating system requirements
  • Independence of existing hardware


  1. ^ "spam filter (redirected from Anti-spam)". The Free Dictionary. Dictionary of Unfamiliar Words by Diagram Group. Retrieved 3 September 2016.