Configure sendmail for smtp authentication against Microsoft's Office 365 server
Issue
- When trying to use sendmail forwarding to a smart host provided by Microsoft's Office 365 service, authentication fails with the following error:
Sep 10 13:59:05 smtptest sendmail[28094]: q8AHwQEa028085: AUTH=client, available mechanisms do not fulfill requirements
Environment
- Red Hat Enterprise Linux 6
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
