IMAP issue after enabling TLS 1.2 on mail server , resulting in error - Could not connect to email server. JMail client in invalid state ... nullAUTHENTICATE failed.
Last updated on JUNE 21, 2018
Applies to:Siebel CRM - Version 15.7 [IP2015] and later
Information in this document applies to any platform.
Customer disabled TLS 1.0 and TLS 1.1 on MS Exchange 2016 and enabled industry standard TLS 1.2
On : 15.7 [IP2015] version, Comms Server & Email Response
When attempting to use IMAP in Prod env
the following error occurs.
Could not connect to email server. JMail client in invalid state!
IMAPSMTP[06/19/2018 17:31:36:644]:ERROR:Failed to connect to the email server!
changes on the IMAP mail server side
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