Unity Connection sends a non-delivery receipt to the sender when it cannot relay a message because the message is marked private or secure; relaying of secure messages is permitted only if Allow Relaying of Secure Messages is checked under System Settings > Advanced > Messaging.
Checked 2026-09-30
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- message actions
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-09-30
Sources
- System Administration Guide for Cisco Unity Connection Release 15 - Messaging — Cisco Systems · tier 2 current vendor documentation · Messaging > relaying secure messages
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-relay-secure-ndr. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-relay-secure-ndr
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-relay-secure-ndr,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-relay-secure-ndr},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-relay-secure-ndr},
note = {Source note unity-connection-single-inbox-setup-relay-secure-ndr, checked 2026-09-30}
}