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Workflow Mailer Down and Gives Error "Unable to connect to the mail account. Check the host, user name, password and connection security" due to Office365 Started DeSupporting TLS1.0,TLS1.1 Connection to their Cloud Email Servers(Only TLS1.2 allowed) (Doc ID 2816784.1)

Last updated on SEPTEMBER 07, 2023

Applies to:

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


Workflow Mailer is going down for customers that are using Office365 cloud e-mail servers. Due to this issue, users cannot send e-mail notifications, This causes delays in approvals.

There is no change in the system(EBS) recently, Workflow Mailer was working and running, but suddenly mailer going down with below error


The issue can be reproduced at will with the following steps:
1. Start the Workflow Mailer.
2. Monitor the Workflow Mailer in Workflow Manager from OAM
3. Workflow Mailer goes down immediately


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