Autodiscover is a service using IMAP or ActiveSync protocols to easily configure email accounts in Outlook. The process will vary depending on whether IMAP or ActiveSync is configured.
Autodiscovery:
Autodiscover will ensure easy configuration of email accounts in Outlook using IMAP or ActiveSync protocols. If Autodiscover is configured, there is no need to input server details, port numbers, etc. After entering your email address and password, your email account configuration will be complete. The account configuration and deployment steps are easy to complete, which will save time for administrators of large organizations.
The valid CNAME record to be published is as below：
autodiscover IN CNAME autodiscover.yoov.com
