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Messaging Multiplexor Random TLS 1.3 Failures From iOS Client (Doc ID 2745744.1)

Last updated on MAY 01, 2021

Applies to:

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

Symptoms

After the upgrade to 8.1.0.6.20200729, imapd randomly does not allow plaintext logins on port 993 (IMAPS). However using STARTTLS on port 143 works fine.
It is only iOS clients because that is the only client that tries to use TLS 1.3.

Following logs are recorded:

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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