I have a postfix 3.5.2 system that accepts messages from internal hosts and
relays to internal destinations and to an email perimeter that delivers to
external (Internet) domains.
The issue I'm seeing is regarding external domains that do not follow DNS best
practices and have CNAME records pub
eptember 8, 2025 6:04 PM
To: John, Chris via Postfix-users
Subject: [pfx] Re: Unexpected Recipient Domain Rewrite
[Use CAUTION when opening links/attachments]
On 2025-09-08 at 14:37:59 UTC-0400 (Mon, 8 Sep 2025 18:37:59 +0000) John, Chris
via Postfix-users is rumored to have said:
> I have a