Author: Matt Date: To: Exim Mailing List Subject: Re: [exim] Email DNS Issue
> ISTR the version you show above does not call-out to the connecting host > at all.
>
> But in the OP you cited a rejection OF the far-end BY your server.
>
> That sounds like you ARE doing a callout.
No callouts, that gets you black listed. Unless you call a DNS look
up of the sending email address domain a call out and thats all its
doing. When its not working a "dig there_domain mx" results in
SERVFAIL so I am still guessing the error Dnsstuff reports something
about cnames in the mx records is the trouble.
Matt
> If not, something else is going on - such as treating that particular
> caller as if it were local, perhaps?
>
> More info needed.