How to forward outgoing spam?

Question

Mail server

Good day.
There is a postfix + mailscanner server (of course with spamassassin)
Task:
Redirect outgoing mail marked as spam to a specific mailbox.
There is one IP listed as mynetwork in postfix.
In Google, the main focus is on incoming traffic.
Solutions like "if spam is from this IP, then redirect to this box" could not be found.
In Perl, for writing custom rules, I'm not strong at all.
Does anyone have a template?
Or tell me a specific direction for further excavations?

Answer 1

demolish mailscanner (of course with spamassassin)
install rspamd and don't worry