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Primary focus for development is now targeting version 4.0.0.

On 7 14 December 2022 we produced our fourth release candidate of called for a vote on releasing 4.0.0 , as part of the final steps towards a full release, which now looks possible to be achieved by the end of the yearon 17 December.


The last release was Apache SpamAssassin version 3version 3.4.6 on 12 April 2021. The release of version 4.0.0 on 17 December 2022 is currently up for vote.

Note that we maintain online rule updates that are continuously updated through a combination of developer contributions and automated processing via our mass-check facility.