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Anti-spam Software

SPAMfighter

Anti-spam filters for Outlook and Thunderbird users and for company mail networks

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About SPAMfighter

SPAMfighter is a Danish-founded family of spam filters. A community model underpins it: when one user marks a new spam message, that block is shared with other users within seconds.

What SPAMfighter offers

  • Standard edition — a no-cost filter for Outlook, Outlook Express, Windows Mail and Thunderbird.
  • Exchange Module — filtering for company mail servers.
  • Mail Gateway — protects a network against spam and phishing.
  • Hosted Mail Gateway — the same protection run as a cloud service.
  • Blacklisting — block specific addresses and domains, with one-click spam reporting.

Key facts

  • Reach: the site cites millions of home and business users across 238 countries and areas
  • Privacy: mail stays inside the user's own network
  • Fraud protection: guards against phishing and identity theft

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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