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    Mailinblack Alternatives

    Mailinblack is described as 'The leading solution to protect your business and your employees from new threats by email: malware, phishing, ransomware, spam, etc. Opt for security at your fingertips and convenience on a day-to-day basis!'. There are more than 10 alternatives to Mailinblack for a variety of platforms, including Windows, Linux, Mac, Microsoft Office Outlook and Thunderbird. The best alternative is Mailwasher, which is free. Other great apps like Mailinblack are POPFile (Free, Open Source), SPAMfighter (Freemium), SpamSieve (Paid) and Spamihilator (Free).

    This page was last updated Nov 8, 2020

      • FreeProprietary
      • Windows
      K9 is an email filtering application that works in conjunction with your regular POP3 email program and automatically classifies incoming emails as spam (junk email) or non-spam without the need for maintaining dozens of rules or constant updates to be downloaded.


      The project is no longer developed. Last version, 1.28, released in April 2004, can be still downloaded from the official website.

    1. Email Filtering Gateway as a Service ~ Compatible with all SMTP solutions (self-hosted or managed by third-party) ~ No matter if you have your own SMTP server (Postfix, Sendmail, Exchange, etc.
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