To use secure SMTP to a smart host, the administrator selects Enable Secure Client on System Settings > SMTP Configuration > Smart Host, sets the secure Host Port, and optionally enables Use Authentication with the smart host username and password, then saves and restarts services.

Checked 2026-10-02

Vendor
Cisco
Product
Unity Connection
Subsystem
SMTP client TLS
Deployment
on-premises
Region
not restricted
Release range
Release 15
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-tls-steps. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-tls-steps

BibTeX

@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-smtp-tls-steps,
  title  = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-smtp-tls-steps},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-smtp-tls-steps},
  note   = {Source note unity-connection-notification-troubleshooting-smtp-tls-steps, checked 2026-10-02}
}

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