On 6/29/24 09:38, Bill Cole via Postfix-users wrote:
On 2024-06-28 at 23:45:33 UTC-0400 (Fri, 28 Jun 2024 22:45:33 -0500)
Curtis J Blank via Postfix-users <curt.bl...@curtronics.com>
is rumored to have said:
OK I tired this. What "mydestination" is set to does not matter
whether it's localhost or 127.0.0.1 if spampd is set to use localhost
and not 127.0.0.1 it will not work.
So I'm convinced that was the root cause of my problem, spampd set to
use localhost when postfix is set to use 127.0.01 explicitly.
If anyone can explain the detailed why I am curious to know.
It's fairly simple: *anywhere* you configure a loopback in the modern
world, you need to use the same way of doing it, and sticking with a
loopback IP instead of "localhost" is the best approach because
different software (e.g. spampd and Postfix) may resolve the name
differently to only either a v4 or v6 address. Generally speaking,
when configuring any listener, using an explicit address is the best
approach because that way you don't have the potential for the name
being resolved in unexpected ways
Thanks. That is what I did with postfix's conf and now with spampd's config.
-Curt
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