Re: [mailop] Mail Rejected by Yahoo/Prodigy DNSBL:RBL 521

[Jim Greco via mailop]

I have had to deal with this several times with  my customers.  AT&T has been 
incredibly slow to respond in the past.  I have rarely received a response 
sooner than 2-3 weeks after I first contacted them. It has typically taken 1 to 
2 months+ to get off the list so you will probably be in this for the long haul.

We have noticed that they seem to actually be less responsive to "official" 
admin accounts like postmaster@... and administrator@...  and have had quicker 
response when we give a customers a template to mail from their user account.


Twice when iit seemed to be stuck I posted to AT&T forums (which has other mail 
admins reporting the same issue) I get a boilerplate response that that I need 
to contact ATT via the abuse_...@abuse-att.net 
email.  However I feel like I got a response sooner when I did so.  But that 
may be coincidence



Also I frequently do not received a response when the customer server has been 
removed from their super double secret RBL, I just check the logs every few 
days and eventually notice email getting out.



I think AT&T's thought process is "a spammer will give up from the frustration 
of dealing with their glacial abuse team response only a real business would 
still be asking what is taking so long after 2 months".



If you find an easier way please share.



Jim

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Re: [mailop] Mail Rejected by Yahoo/Prodigy DNSBL:RBL 521

[Jeff P via mailop]

Hi

ATT has their own RBL list which they don't share with you.
Once your email server gets tagged by them, please contact the email address:
abuse_...@abuse-att.net
to submit your question. They are kindly enough to reply you manually.
(just from my experience from ATT/SBC).

regards.



> 
> I'm looking for help from what I assume to the Yahoo mail team - our 
> 
> Mailing List server at 64.142.105.165 (lists.sonic.net) is being blocked 
> 
> by the following servers:
> 
> al-ip4-mx-vip1.prodigy.net
> 
> al-ip4-mx-vip2.prodigy.net
> 
> ff-ip4-mx-vip1.prodigy.net
> 
> ff-ip4-mx-vip2.prodigy.net
> 
> Here is an example log line from our sendmail instance:
> 
> Jun  6 17:33:49 listman.sonic.net sendmail[30018]: 4570XhGQ029645: 
> 
> to=, delay=00:00:01, xdelay=00:00:01, 
> 
> mailer=esmtp, pri=211884, relay=ff-ip4-mx-vip2.prodigy.net. 
> 
> [144.160.159.22], dsn=5.6.0, reply=553 5.3.0 flph831 DNSBL:RBL 521< 
> 
> 64.142.105.165 >_is_blocked.For assistance forward this error to 
> 
> abuse_...@abuse-att.net, stat=Data format error
> 
> Our same customer has reported this issue on May 8th and May 21st, so 
> 
> this is the third time I have had to request removal of a block. Each 
> 
> time, a consultation of the Spamhaus lookup service did not show our IP 
> 
> address on any RBL.
> 
> If someone on this list can please reach out to me directly, I'd like to 
> 
> get an explanation as to why we keep getting blocked and what we can do 
> 
> to fix any outstanding problems.
> 
> -- Joe Muller
> 
> System Administrator
> 
> Sonic.
> 
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