Since Plesk Obsidian RC4, users’ Microsoft Outlook and Thunderbird mail clients can now be automatically configured based on entered emails.
It's a problem when you are using non-wildcard SSL because of certificate problems.
Therefore a changeable autodiscovery solution would be great.
Let’s Encrypt 2.1.0 extension with Webmail support is now available!
We would love to hear your feedback on our forum at http://talk.plesk.com. We’d like to thank everyone who commented on this request and provided invaluable feedback. Thanks!
PS: about Mailserver support – we have it in our plans.