On 06.11.20 11:10, Eugene Podshivalov wrote:
Is there a way to block spam messages like this?

how do you know it's spam?

Probably "receiver=<UNKNOWN>" spf param might be the clue.

technically, you can configure your policy server to block such mail.
But it's likely a bad idea.

policyd-spf[15576]: prepend Received-SPF: Pass (mailfrom)
identity=mailfrom; client-ip=198.144.154.163; helo=a.benient.com;
envelope-from=qbc...@benient.com; receiver=<UNKNOWN>

read policyd-spf documentation.
It apparently did not start processing the recipient yet.

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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