Postfix reject_unknown_client

  • Interesting topic about filtering. Enforces proper records A and PTR in DNS. I'm whitelisting some IPs, but I stopped when the sender has unresolvable HELO string. Enough!

  • Postfix on IRC lives, but on mailing list has an advantage: there is Duchovny - he responses redirecting to Postfix documentation, but responses. IRC looks like a group of quite people. They drunk probably, pizza boxes lie on the floor ;-)

  • Chart rejected-spam-ham works. We are trying munin.

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