TLS connection issues with multiple encryption services

Incident Report for OpenText

Resolved

The following services are experienced an issue with TLS connections to multiple external mail services.

- Zix Encryption Services - Hosted SMB
- Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE)
- Zix Encryption Services - ZixGateway (Hosted)
- Zix Threat Protection Services - ZixProtect

The issue is now resolved. We appreciate your patience.

Tracking Number: IM3971825
Posted Jul 31, 2026 - 17:35 UTC

Monitoring

The following services are experienced an issue with TLS connections to multiple external mail services. Service has been restored and is now being validated. We appreciate your patience.
- Zix Encryption Services - Hosted SMB
- Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE)
- Zix Encryption Services - ZixGateway (Hosted)
- Zix Threat Protection Services - ZixProtect
Tracking Number: IM3971825
Posted Jul 31, 2026 - 14:57 UTC

Update

The following services are experiencing an issue with TLS connections to multiple external mail services. Teams are currently assembled and working to resolve the issue. We appreciate your patience.
- Zix Encryption Services - Hosted SMB
- Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE)
- Zix Encryption Services - ZixGateway (Hosted)
- Zix Threat Protection Services - ZixProtect
Tracking Number: IM3971825
Posted Jul 31, 2026 - 14:45 UTC

Update

The following services are experiencing an issue with TLS connections to multiple external mail services. Teams are currently assembled and working to resolve the issue. We appreciate your patience.
- Zix Encryption Services - Hosted SMB
- Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE)
- Zix Encryption Services - ZixGateway (Hosted)
Tracking Number: IM3971825
Posted Jul 31, 2026 - 14:37 UTC

Investigating

The following services are experiencing an issue with TLS connections to Google-owned servers. Teams are currently assembled and working to resolve the issue. We appreciate your patience.
- Zix Encryption Services - Hosted SMB
- Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE)
- Zix Encryption Services - ZixGateway (Hosted)
Tracking Number: IM3971825
Posted Jul 31, 2026 - 14:29 UTC
This incident affected: Zix - Cybersecurity (Zix Encryption Services - Hosted SMB, Zix Encryption Services - Secure Cloud Email Encryption (AEE/ZEE), Zix Encryption Services - ZixGateway (Hosted), Zix Threat Protection - Zix Protect).