• 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.

Search results

  1. Mustafa Asker

    Question SMTP Error (550)

    My hosted domains (exrom.net, exrom.com.tr) [email protected] -> send to all e-mail addresses successfully .. [email protected] does not send mail to users. I get this error when I press the send key.
  2. Mustafa Asker

    Question SMTP Error (550)

    Everyone can send mail and I can receive any mail. the subscriptions I host on the same server can not send mail to each other. I'm getting the error below. SMTP Problem (550): "[email protected]" recipient could not be added (5.1.1 <[email protected]>: Recipient address rejected: User...
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