Autodiscover for the latest Outlook version 2019 and O365
Mail autodiscover in Plesk Obsidian does not support the latest Outlook version 2019 and O365.
Developing support to Microsoft proxy servers for autodiscover requests is required.
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Thank you for your input! We will consider this functionality in upcoming releases if it is popular. Everyone, please continue voting for this feature if you consider it important.
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maartenv commented
Please try this solution:
https://talk.plesk.com/threads/autodiscover-not-working-properly-on-outlook.356682/post-900610