On 19.11.18 11:24, Poliman - Serwis wrote:
Hello. I saw in logs that some non existent mailbox from client domain
hosted on google tries send some mail to existing mailbox in this same
domain.

set
smtpd_reject_unlisted_sender=yes

this will reject mail from senders in your local domains, that do not exist.

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
WinError #98652: Operation completed successfully.

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