Dnia 14.05.2025 o godz. 08:29:06 Gregory Kohring via Postfix-users pisze:
> Unfortunately, this is standard industry practice and cannot be
> disabled."

Utter bullshit. Doing a MiTM attack (because that's in fact what they do) on
your server is a "standard industry practice"? What a bold statement on
their part...

If you're paying for a VPS, you're paying for having it directly connected
to the Internet, not having some MiTM box underway.

As far as I understand, the result of this is also that the receiving server
sees your emails coming from a different IP address than the actual IP
address of your server - the address of the "middle" box. They probably
don't tell you that address, which means you can't even set your SPF record
properly!

If I were you, I would move the VPS to a provider that behaves normally.
-- 
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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