Secure (STARTTLS) and authenticated SMTP client communication from Unity Connection to a smart host is supported from Unity Connection 14SU2 onward.
Checked 2026-10-02
Cisco Unity Connection 14SU2 and later, supports secure SMTP client communication over port 25 and 587 using authentication support.
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- SMTP client TLS
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 14SU2 and later
- Checked
- 2026-10-02
Sources
- Cisco Unity Connection Provisioning Interface (CUPI) API for SMTP Configuration — Cisco Systems · tier 2 current vendor documentation · SMTP client configuration > product requirement statement
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-tls-14su2. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-tls-14su2
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-smtp-tls-14su2,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-tls-14su2},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-tls-14su2},
note = {Source note unity-connection-notification-troubleshooting-smtp-tls-14su2, checked 2026-10-02}
}