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our mail server got return error alph747 DNSBL:ATTRBL 521 IP _is_blocked”

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our mail server got return error alph747 DNSBL:ATTRBL 521 IP _is_blocked”

Hi,

 

our mail server got return error:

alph747 DNSBL:ATTRBL 521 _is_blocked” , our mail server IP was blocked by AT&T”

 

can help to release our IP address?

 

Thanks

 

Patrick

 

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Re: our mail server got return error alph747 DNSBL:ATTRBL 521 IP _is_blocked”

Hello @PatKwa,

 

Thank you for your recent posting. We appreciate your participation within the Business Community. We received another outreach from you and already escalated your concerns to our internal team. If you have any other questions Please send me a private message by clicking here (https://soc.att.com/30umGN8) Once we hear from the team we will follow up with you. Thanks, Lisa

*I am an AT&T employee, and the postings on this site are my own and don't necessarily represent AT&T's position, strategies or opinions.
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