Re: Undelivered Mail Returned to Sender

Anders Norrbring wrote:

> I have the following DNS setup:

[...]

> Still I just got this reply from a receipient's mail server:

[...]

>
> <XXXXX@karmagroup.us>: host mail.karmagroup.us[67.120.158.73] said: 554
> Client host rejected: cannot find your hostname, [81.216.17.135] (in
> reply to RCPT TO command)
>
>
> What's the problem here? Is it my DNS entries or is it the set up in the
> other end?

Others have pointed out your DNS problems. The other issue is that the
host on the other end is running the equivalent to Postfix's
reject_unknown_client restriction. Your message was rejected because
your A and PTR records don't line up.

David
--
Commercial OS breeds commerce, whereas free OS breeds freedom,
the only thing more dangerous and confusing than commerce.
-- Michael R. Jinks, redhat-list, circa 1997