Hello - We've become aware that one of our IPs has found its way to your RBL: Reason: 553 5.3.0 alph732 DNSBL:ATTRBL 521< 23.249.1.33  Please process a removal of this and update us via reply. The IP is not being used for spam or any other activities that would warrant entry on your RBL. Thank you!

5.3.0 flpd591 DNSBL:rbl 521 The above is the error we receive at a clients location. Any clear insight would be great to get this resolved.

I submitted these IP addresses for removal from your RBL on May 24th via email.  I have not received any response beyond the initial auto response. Both IP addresses are only used for legitimate uses. These IP addresses are not black listed by any other organization.  192.241.149.106 - mail.ipintel.

I'm not able to get to the site either.  Not sure why. going to att.net directs me to att.yahoo.com, so there appears to be some DNS changes going on. In any case. I moved my mail server about a month ago. Checked my total emails going out on the new address and the reputation for emails being sent

How do I get ATT to remove my company's mail server from their RBL? I am not on any other blacklist and have TLS, DKIM, DMARC, SPF... all working. My server is hosted with digital ocean it seems that may be an issue. I've sent several emails to abuse_rbl@abuse-att.net just as their bounce response s

I'm an IT consultant. My client doesn't send any spam, and their IP address shows up clean on MXToolbox's spam check tool, yet for some reason one of my users cannot send email to their own personal AT&T email account. I tried going to http://rbl.att.net/block_inquiry.html, but that site appears to

Our Server is somehow on the At&t RBL blacklist. I have checked our IP address on MX toolbox and we are not listed on any of the blacklists they check. I have responded to the abuse_rbl@abuse-att.net with our IP address twice and I have not gotten a response back. I still have users who are trying t

RBL removal requestWe Recently switched When we try to send mail to any of the AT&T domains, they get the error:Connected to 144.160.159.21 but sender was rejected.Remote host said: 553 5.3.0 flpd577 DNSBL:ATTRBL 521< 70.60.98.42 >_is_blocked.For assistance forward this email to abuse_rbl@abuse-att.

There is no DNS entry for RBL.ATT.NET therefore it is impossible to submit a removal request or check the status of an IP.  Requests emailed to abuse_rbl@abuse-att.net have been ignored for over a week. Legitimate business and personal emails are being blocked by AT&T for no reason.

AT&T RBL blacklist removal - 403 error messages - email re: malware from AT&T email received regarding 403 access denied error requests when accessing certain websites I have spoken to 8 CSRs, I have been disconnected at least 4 times when trying to resolve this issue. Why do NONE of your CS

We have been getting bombed with NDRs for mails coming out our gateway.   said: 553 5.3.0 alph141 DNSBL:ATTRBL 521 _is_blocked.For assistance forward this email to abuse_rbl@abuse-att.net   We have tried to send a request thru abuse_rbl@abuse-att.net but we never got any response. Would appreciate

We are getting the following error on emails sent to att.net addresses:553 5.3.0 flpd596 DNSBL:ATTRBL 521< 168.245.77.253 >_is_blocked.For assistance forward this email to abuse_rbl@abuse-att.net I've tried the http://rbl.att.net/block_inquiry.html and emailed abuse_rbl@abuse-att.net with no respons

I have multiple customers that I cannot send email to because my IP address is listed on the RBL. I have forwarded the specified email to abuse_rbl@abuse-att.net, verified I'm not listed on any other RBL's from MXToolBox, and reviewed my configuration for these messages in particular with no luck. I

IP Requesting Removal: 52.41.178.8We continue to see messages bounced to email recipients with @sbcglobal.net, @pacbell.net, @att.net, @bellsouth.net etc addresses after our migration to AWS (yes, new IP).  Our mail server has been in place performing the same function to our clients for well over 2

we purchased the following IP pool 176.31.129.128/27, 145.239.180.160/27  from OVH but we noticed that emails sent to att.net or bellsouth.net are blocked by the behavior of the previous owner.  We are getting the following error on emails sent to att.net addresses:553 5.3.0 flpd586 DNSBL:ATTRBL 521

Hello,I have been trying for over 2 months now to get one of our servers removed from the block list via 'abuse_rbl@abuse-att.net' with no success.I know they are getting through because I get the automated responses. It's just that no one seems to be following up on them. Our servers send mail for

Email bouncing from sbcglobal att prodigy etc... Contacted abuse_rbl@abuse-att.net with IP and forwarded emails but no response thus far. How can I escalate this?