Lee-
Good luck getting AOL to help you out... I just spend the past eight
weeks tracking down a problem with email sent to AOL. It turned out our
email distributor was sending too much email to AOL and wasn't on their
approved high-volume list (this is all based on inference, AOL won't
actually tell you that such a thing exists). AOL will also silently drop
email that it doesn't like, so the problem was a total biatch to track
down... Check out their postmaster website, it might shed some light on
your problems with those other domains:
http://postmaster.info.aol.com
And yes, rDNS will need to be working if you're doing any volume to
AOL.
Zack
On Tue, 2001-11-13 at 13:50, Lee wrote:
> I have the same problem from a Linux/sendmail server that I run behind a NAT
> router. The NAT router is currently Eigerstein2beta but I used to have the
> same problem under other NAT routers.
>
> I can dig out the failure messages but they all hint at the reverse domain
> not checking out to the satisfaction of the recipient mail server. The
> recipient domains that reliably bounce mail are:
>
> aol.com
> oracle.com
> talk21.com
>
> There are probably others - these are just the ones I remember.
>
> I suspect at least part of the problem is to do with my DNS configuration
> because the extent of the problem varies with the manner in which the email
> is generated. I use Perl to write a lot of automated response emails and
> those sent by Perl's MIME::Lite module produce such a bounce far more often
> than those sent by Perl's Net::SMTP module.
>
> Barbara, a search of the web used to turn up a few people who were having
> this problem (on BSD mail servers IIRC) but I never found solutions to their
> problems. I didn't know Mark's tip about HELO <myname> so I will try that
> (when I get a minute) and report back.
>
> Lee
>
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