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Microsoft Office365 Started Disabling Basic Authentication and Due to this Workflow Mailer Goes Down With Error "Unable to connect to the mail account. Check the host, user name, password and connection security" (Doc ID 2886518.1)

Last updated on JANUARY 05, 2024

Applies to:

Oracle Workflow - Version 12.2 to 12.2 [Release 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


Today, we are announcing that, effective October 1, 2022, we will begin to permanently disable Basic Auth in all tenants, regardless of usage, with the exception of SMTP Auth.
IMPORTANT: Beginning early 2022, we will selectively pick tenants and disable Basic Auth for all affected protocols except SMTP AUTH for a period of 12-48 hours. After this time, Basic Auth for these protocols will be re-enabled, if the tenant admin has not already re-enabled them using our self-service tools.


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