Secure Cloud blocking to AT&T owned systems

Incident Report for Zix | AppRiver

Resolved

The blocking to AT&T that was occurring has been resolved. If you are still having in an issue please contact support.
Posted Mar 07, 2025 - 10:44 CST

Investigating

We have been made aware that starting yesterday there was a small subset of senders that were affected by a blocking of email to AT&T owned systems which has grown today. We have an opened a High severity issue and our engineers are investigating the cause of the issue. Additionally we have requested a delisting of the IP's affected with AT&T.
Posted Feb 28, 2025 - 09:40 CST
This incident affected: Encryption Services (Secure Cloud Email Encryption (AEE/ZEE)).