Rspamd: scores, greylisting, DKIM and ARC

55 min Python 3.12 (Debian, git, pip) Versions Rspamd 3.x, Debian 12/13, Ubuntu 24.04, Rocky 9 (dépôt Rspamd)

Objective

Put a modern anti-spam filter in front of the mailboxes: each message gets a score, the score triggers an action (accept, flag, slow down, reject), and outgoing mail is signed to prove that it really comes from us.

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