Dnia 29.04.2021 o godz. 14:34:15 Matus UHLAR - fantomas pisze:
> 
> Once again:
> The result of reverse resolution will NOT be used, unless it's verified by
> forward resolution.

>From the times I was using sendmail, I remember that in case when
forward/reverse DNS didn't match, sendmail logged something like

unknown (reverse.dns.hostname) [ip.ad.dr.ess]

and when they match, it logged just

reverse.dns.hostname [ip.ad.dr.ess]

I guess the OP would be satisfied if Postfix did something similar?
-- 
Regards,
   Jaroslaw Rafa
   r...@rafa.eu.org
--
"In a million years, when kids go to school, they're gonna know: once there
was a Hushpuppy, and she lived with her daddy in the Bathtub."

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