Hello,
Also consider setting up rules in spamassassin / rspamd
Agree with that : for my own usage, I use spamassassin as content-filter (very simple to install) : https://www.vultr.com/docs/how-to-configure-spamassassin-with-postfix-on-ubu... My local.cf file is very simple : rewrite_header Subject ***SPAM*** required_score 5.0 use_bayes 1 report_safe 0 trusted_networks <your LAN CIDR> add_header all X-Spam-AutoLearnStatus _AUTOLEARN_ You will still receive mails but with ***SPAM*** in subject and additional Header field X-Spam-Flag: YES In Dovecot, simply configure a sieve script to put them in \Junk and mark as read (just to allow recovery possible if it was a real mail). You can then regularly trash them using un croned doveadm expunge. Regards Fabien