Am Dienstag, den 24.03.2020, 16:03 +0100 schrieb J. Echter:

Can you recommend any other plugin that will work properly and teach

spam with Junk for dovecot2.2.36-4

I followed the instructions at https://wiki2.dovecot.org/HowTo/AntispamWithSieve and successfully replaced dovecot-antispam which is deprecated with Imapsieve.

It is a little more work until you have it going but not too much..

Cheers,

Johannes