• 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.

undeliverable

  1. J

    Issue Email doesn't arrive

    Dear pleskians, I just received this error message, that my message was undeliverable to the adress i tried to reach.. Therefor i'd like to ask you Pro's if you have an idea why this error occurs? The following message to <[email protected]> was undeliverable. The reason for the problem: 5.1.0...
  2. M

    Issue Unknown Cron Job Sending Undeliverable Mail Every 1 Minute???

    Hi, I m totally new here. I have roundcube installed in plesk and after installing an ssl certificate then adding it to the webmail account, I noticed in one of the mail user accounts that there were a ton of undelivered emails. This is what they all say: "This is the mail system at host...
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