When SMTP notifications fail for multiple users, Cisco says to confirm a smart host is set at System Settings > SMTP Configuration > Smart Host, that the smart host accepts messages from the Unity Connection server, and that the Connection SMTP Server and Connection Notifier services are running.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- SMTP notification
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-10-02
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Notification Devices — Cisco Systems · tier 2 current vendor documentation · Notification Devices Not Working at All > SMTP message notification not working for multiple users
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-ntf-checks. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-ntf-checks
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-smtp-ntf-checks,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-ntf-checks},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-ntf-checks},
note = {Source note unity-connection-notification-troubleshooting-smtp-ntf-checks, checked 2026-10-02}
}