On Fri, Aug 08, 2025 at 03:05:31PM +0200, Rene Paw Christensen wrote: > mail_plugins { > sieve = yes > }
This looks like the problem. Sieve is a delivery plugin, for use with LDA or LMTPD. See https://doc.dovecot.org/2.4.1/core/plugins/sieve.html Notice that in the examples the plugin is enabled in a mail_plugins that's nested within a delivery protocol block. noah