New Member
•
2 Messages
Emails From SendGrid IP Address Blocked
Hi,
Our application uses SendGrid with a dedicated IP address to send email addresses on behalf of our users. We've received the error message
REASON: 553 5.3.0 alph748 DNSBL:RBL 521< 159.183.109.35 >_is_blocked. For assistance forward this error to abuse_rbl@abuse-att.net
For following domains:
- @att.net
- @sbcglobal.net
- @ameritech.net
- @bellsouth.net
© 2024 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T intellectual property and/or AT&T affiliated companies. All other marks are the property of their respective owners.
ATTBusinessForums
Administrator
•
26.2K Messages
1 year ago
Have you emailed the RBL Address? It typically takes 5-7 business days.
Chris
AT&T Business Social Media
0
0
ATTBusinessForums
Administrator
•
26.2K Messages
1 year ago
Are you still having an issue?
Chris
AT&T Business Social Media
0
0
maheshaher
New Member
•
2 Messages
1 year ago
Yes, I had sent an email, and have got a reply from them about it.
Seems like the issue is resolved, as no complaints received yet.
0
0