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Smtp_client Handling Of "5.7.0 No STARTTLS Command Has Been Given" (Doc ID 2636183.1)

Last updated on AUGUST 09, 2022

Applies to:

Oracle Communications Messaging Server - Version 8.1.0 and later
Information in this document applies to any platform.


In this deployment scenario, there are "core routing MTA" (MTA) systems configured to only accept connections from internal MMP systems.
TLS is required for these connections.

The MMP systems connect to the MTAs using an internal MX record, which is served by a global server load balancer.

On the MTAs, each type of MMP system has its own channel. Example:



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