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Support Article

Email Server rules unable to connect to Office365

SA-12302

Summary



Email Server rules are unable to connect to Office365. Username, password, port, host, and SSL options have all been verified.

Error Messages



Fail:Configuration
MessagingException caught connecting to email server; javax.mail.MessagingException: Connection refused; nested exception is: java.net.ConnectException: Connection refused


Steps to Reproduce



1. Configure Email Server rule with Office365 connection details.
2. Run Test Connection.


Root Cause



The root cause of this problem is in a third-party product. The Office365 server is configured to require NTLM authentication.

Resolution



PRPC 6.1 SP1 does not support NTLM email authentication, another form of authentication needs to be used.

Published July 23, 2015 - Updated October 8, 2020

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