• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

Resolved Certificate Invalid

The mail server is still not responding with the certificate. The certificate is selected on the Mail Settings page at the "SSL/TLS certificate for mail" option? Not the webmail option, the second drop down for the mail server? If it is, I would not know where else it could be set in Plesk.
 
I've raised a call with support but they've not responded yet. Peter, really appreciate all your help though.
 
Peter, just wanted to thank you for all your help. The issue was that there was an issue with the SNI configuration files for the domain.

The installation of Plex Premium Email extension and running the troubleshooter found the issue and recreated the files. Thats done the trick.

If there is anything I can do to support you please let me know.
 
Gee, well, like Edison put it, at least I've found many ways how it does not work ... Good to hear that support was able to solve the issue and glad to hear that it was indeed a true technical one.
 
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