DCC, Razor and Pyzor SpamAssassin plugins
With option to disable or enable.
Can be installed manually but all guide are now old and nothing for Onyx.
This worked really well for me on 12.5.
H.K shared this idea
Thank you for your input! We will consider this functionality in upcoming releases if it will be popular.
Everyone, please continue voting for this feature if you consider it important.
not done yet?
Would be good
Stefan Murawski commented
I want that too.