[ale] AT&T blocked

[Jim Popovitch]

On Wed, Feb 18, 2009 at 08:10, Paul Cartwright <ale at pcartwright.com> wrote:
> I am having the same problem, AGAIN.. being blocked by AT&T, from my domain
> host amscomputers..:
>     SMTP error from remote mail server after MAIL FROM:<xxx at atnex.net>
> SIZE=2292:
>     host scc-mailrelay.att.net [204.127.208.75]: 521-72.52.240.41 blocked by
> sbc:blacklist.mailrelay.att.net.
>     521 DNSRBL: Blocked for abuse. See http://att.net/blocks
>
> I just had this same problem in early January, 01/08/2009.. this is getting
> old. Is it me, or AMS?? I know, that message was from my ISP atnex account..

72.52.240.41 will be blocked by all sensible email admins (google
excluded as they accept pretty much anything and shove it into spam).
The problem with 72.52.240.41 is that it has a PTR for a host that
doesn't have an A record.

~$ host 72.52.240.4
4.240.52.72.in-addr.arpa domain name pointer host.wholesalechandeliers.com.
~$ host host.wholesalechandeliers.com
Host host.wholesalechandeliers.com not found: 3(NXDOMAIN)

-Jim P.