Got this a few months ago, posting publically so it makes it into the archives
for the next guy.
> Thank you for contacting the AT&T Postmaster.
>
> We need the IP address of the server sending mail from you to our
customer/s.
> This information is provided in the non-delivery report that would be
returned
> to you in the event that there was a problem with mail delivery. If your
mail
> server truncates that part of the error message, it may be necessary for
you
> to conduct a manual session with our mail server to capture the blocked IP
> address. If you do not receive a rejection message then your messages are
> potentially being filtered as bulk. If you believe that to be the case,
email
> mail-abuse-b...@cc.yahoo-inc.com and request the Bulk Mail form to be
> whitelisted.
>
> The more information you can provide about what you are trying to
accomplish
> and the specifics involved the easier it is for us to help you. Please
reply
> to this message with as much detail about your problem as possible, but
> specifically the points touched on above.
>
> Regards,
>
>
> Postmaster
> AT&T Client Security Management
> abuse_...@abuse-att.net
> http://att.net/blocks
On Tue, Apr 12, 2016 at 09:31:51AM -0400, Jeremy Parr said:
>I have two spam filters that relay outbound mail for a few dozen companies,
>and as such generate a fair amount of traffic. We are fairly strict with
>the spam filtering on outbound mail, but somehow end up blacklisted by
>ATT/Prodigy/Bellsouth a few times a year.
--
Ken Chase - m...@sizone.org
