Corey Hickman via Postfix-users:
> Hello buddies,
>
> I just want to make some simple filters for outgoing messages.
> for example, the message content has some keywords (like "VPN sale")
> included, it will be rejected by the system.
>
> I know there are the software Rspamd and Spamassassin, but they are too
> heavy for my simple usage.
>
> Do you have any other ideas?
Builtin: header_checks, body_checks,
Plugin: milter-regex
Wietse
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