• 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.

exchange

  1. M

    Question DKIM fails with plesk server as relay

    Hello, we are runnig plesk obsidian 18.0.44 with postfix as a mail relay for an exchange server 2019. there are multiple different mail domains on the exchange server. in recent times mail delivery failed because dkim was not set up so i enabled dkim for domains on the exchange server. dkim...
  2. H

    Issue Recipient address rejected: User unknown in virtual mailbox table).

    Dear friends, I have "mydomain.com" one email address on exchange and one email address on VPS. When I want to send an email from email address from VPS to email on exchange i get - Error SMTP (550): can't add the recipient "[email protected]" (5.1.1 <exchange@mydomain>: Recipient address...
  3. K

    Question Outlook autodiscover conflicts with https

    Hi We have a few CentOS 6 servers running Plesk 12.5 and OS vendor version of Apache 2.2 and have recently enabled https for some websites and opened access to https from the outside world. However only a few websites are using SSL/TLS certificates and due to the way apache handles incoming...
  4. Rachel Moorehead

    Gracefully Handling Microsoft AutoDiscover Inquiries

    Greetings! Environment: RHEL 6.6 Plesk 12.0.18 RedHat el6 1200151014.14 Background: We've recently switched to a Microsoft Exchange based email service. As a part of the email client configurations, Microsoft uses a utility called AutoDiscover. AutoDiscover has a predefined set of URLs that...
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