Unable To Start Workflow Service Using IMAP OFFICE365 Failing With javax.mail.MessagingException: Unrecognized SSL message, plaintext connection

(Doc ID 2349716.1)

Last updated on MARCH 02, 2018

Applies to:

Oracle Workflow - Version 12.1.3 to 12.2.7 [Release 12.1 to 12.2]
Information in this document applies to any platform.

Symptoms

On 12.1.3 version, Workflow Mailer
unable to start the Workflow service using IMAP for office365 resulting in the following error:

Unhandled Excpetion when creating a folder -> javax.mail.MessagingException: Unrecognized SSL message, plaintext connection?; nested exception is: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection? Stack Trace -> javax.mail.Message


The issue can be reproduced at will with the following steps:
1. Configure the workflow mailer using office365.

The issue has the following business impact:
Due to this issue, workflow email notifications cannot be sent.

Changes

 

Cause

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