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Symptom

We are providing the information in this article as a courtesy to our MIP customers. Assistance with troubleshooting of your Office365 Exchange email settings falls outside of the scope of your MIP Maintenance and Support Agreement. 

 

Customers using Office365 Exchange email can experience this error message when sending email in MIP.  

The system has detected a connectivity issue that affects the ability to send emails. 

Failure sending mail. Unable to read data from transport connection:net_io_connectionclosed.

SMTP

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