Configuring Ecostruxure IT Data Center Expert to use Oauth for SMTP
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Posted: 2025-03-1004:30 AM
Configuring Ecostruxure IT Data Center Expert to use Oauth for SMTP
Microsoft have stated :
During September 2025, we will remove support for Basic auth with the Client Submission (SMTP AUTH) endpoints:
smtp.office365.com smtp-legacy.office365.com
Once Basic auth is permanently disabled, any clients or apps connecting using Basic auth with Client Submission (SMTP AUTH) will receive this response:
550 5.7.30 Basic authentication is not supported for Client Submission.