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TLS secured emails are delayed after upgrade to 10.7.3

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Article ID: 225869

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Updated On:

Products

Messaging Gateway

Issue/Introduction

Following the upgrade to Messaging Gateway (SMG) 10.7.3 emails delivered from some sources to SMG which are TLS secured show an increase in the "abort message" action indicating that the SMTP session has been interrupted.

Cause

This is potentially caused by using the AES256-SHA cipher when negotiating TLS. 

Environment

Messaging Gateway
MTA

Resolution

This issue is currently under investigation and will be addressed with a future Messaging Gateway release.