• Our team is looking to connect with folks who use email services provided by Plesk, or a premium service. If you'd like to be part of the discovery process and share your experiences, we invite you to complete this short screening survey. If your responses match the persona we are looking for, you'll receive a link to schedule a call at your convenience. We look forward to hearing from you!
  • The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Recent content by defcon8

  1. defcon8

    Question About ports 465 and 587

    For some reason, there is an issue with communication to our port 465. It takes roughly 30 seconds (after socket connection is established) before the server throws the welcome message to the client. This is problematic for some mail clients. We yet have to find the cause. Communication on 587...
  2. defcon8

    Question About ports 465 and 587

    @Kaspar@Plesk thanks that was very helpful!
  3. defcon8

    Question About ports 465 and 587

    Any info on how to change the "tip" in the UI? We want our users to use 587 by default...
  4. defcon8

    Issue Issue with Postfix over Port 465 - Delay in Email Delivery

    I have the exact same problem, takes 15 seconds before there comes any answer (welcome message) by postfix on port 465. You ever found the solution to this?
  5. defcon8

    Issue SMTP SSL Certificate Expired

    Thanks for your help. I think the wrong certificate was selected, at least the "Certificate for securing Plesk" was set to a different one then "Certificate for securing mail". I have changed "Certificate for securing mail" to match the other one. Issue seems resolved, will need to do some more...
  6. defcon8

    Issue SMTP SSL Certificate Expired

    We currently have a big problem. Whenever I check the SSL validity of my SMTP server, it says expired: >openssl s_client -connect srv002.xxxxxx:465 CONNECTED(00000003) depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN...
  7. defcon8

    Issue Mailbox content scrambled after migration from cPanel

    Here some views on the message file. In the folder itself I see a mixture of files containing human readable data (mail message format).. and ones that contain binary garbage.
  8. defcon8

    Issue Mailbox content scrambled after migration from cPanel

    I tried IMAP using Thunderbird, messages in some folders are being listed. But when you open them the body stays blank. I tried Apple Mail and turn on debugging logging. I think there is a server-side problem; * 24 FETCH (INTERNALDATE "22-Jun-2022 13:36:57 +0200" UID 25 RFC822.SIZE 314624 FLAGS...
  9. defcon8

    Issue Mailbox content scrambled after migration from cPanel

    I also noticed that most of the folders of the inbox just list one "empty" e-mail, when I click that, it triggers a warning in /var/log/plesk-roundcube; [13-Feb-2024 16:38:17 UTC] PHP Warning: Attempt to read property "charset" on bool in...
  10. defcon8

    Issue Mailbox content scrambled after migration from cPanel

    Hello, I'm currently in the process of migrating an account from cPanel to Plesk. The migration system has successfully created all the mailboxes with credentials on the Plesk server. However, upon logging into one of the mailboxes, I've noticed issues with the content: While some / very few...
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