A malformed message goes into the MTA bad mail folder (UmssMtaBadMail) rather than to the Undeliverable Messages list. Unity Connection checks that folder nightly and logs an error when it finds messages there.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- MTA
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-10-02
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Messages — Cisco Systems · tier 2 current vendor documentation · Troubleshooting Messages > bad mail folder
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-badmail-malform. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-badmail-malform
BibTeX
@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-badmail-malform,
title = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-badmail-malform},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-badmail-malform},
note = {Source note unity-connection-notification-troubleshooting-badmail-malform, checked 2026-10-02}
}