DNSBL:RBL 521 - ATT Blocking our Emails

@AnthemMarketingA request has been submitted to have the block removed, give it 24 to 48 hours.

Same here

alph754.enaf.aldc. gave this error:
alph754 DNSBL:ATTRBL 521< 203.98.87.130 >_is_blocked.For assistance forward this email to abuse_rbl@abuse-att.net

Your message couldn't be delivered. Try to send it again later. If the problem continues, please contact your helpdesk.

I got an email with alph754.enaf.aldc.att.com is this a virus email, it said to forward the email to my email administrator. Can someone please help me with this

[Request to remove the black list] this domain "polymirae.com" is for business

Dears.

I am Jai-sung Park and I am IT administrator in PolyMirae Co.

I have a one requirement, so I have sent the e-mail to you.

I received the e-mail from your SPAM system like with attachment that there are blocked the e-mail.

And I have checked to be blocked the domain “polymirae.com” from e-mail.

So, if you possible to remove the black list from your system, please remove the block list for our domain “polymirae.com”

Our e-mail had been used for business only.

please reply to me after check it.

Thank you.

Hi, @JaisungPark77! 

We can help you get your domain removed from the block list. To do this, you'll want to contact us about our email block list via email. If you have any trouble with this link you can visit our Postmaster Help page for more info. 

Let us know if you have any other questions! 

Raychel, AT&T Community Support

Hi ATTHelp.

I sent the e-mail to your helpdesk "abuse_rbl@abuse-att.net" before a few days.

But. it did not read my e-mail anyone.

So, i written the contents here.

if you possible to remove the black list IP for "polymirae.com" domain, please remove it.

Please reply to me after check it.

Thank you.

host ff-ip4-mx-vip2.prodigy.net[144.160.159.22] said: 553 5.3.0 flpd568 DNSBL:RBL 521 70.169.244.164 _is_blocked.For assistance forward this error to abuse_rbl@abuse-att.net (in reply to MAIL FROM command)

Can someone assist?  Ive emailed the above abuse address 4 times now with no response.  

When you submit an e-mail to that address, be sure to note:

1) How long you've had the IP address,

2) When the problem first occurred,

3) Any checks you've made and any issues you've corrected with respect to open relays, etc.

4) Any information you can share with respect to senders domains, etc.

5) Technical contact information

The last time I had an RBL issue with AT&T, it took less than a day to resolve.

We've had this IP for more than 10 years.  We noticed this issue over the last 2 weeks and immediately checked all the RBL's listed (we were not listed).  The main domain we send from that IP is @sbga.com and I can be reached at [email scrubbed].  Very frustrating.  Most domains have a live RBL you can actively review how/why you are listed.  This is like a black hole.