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IMAP Client Fails To Connect To 8.1 MMP Using TLS 1.3 (Doc ID 2636593.1)

Last updated on MAY 11, 2021

Applies to:

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


IMAP clients fail to connect to a Messaging Server 8.1.x MMP using TLS 1.3.

Example of the failure using sslconnect:

The "Encryption required" error message seems strange considering the "cs=" field shows it used 1.3.


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