• 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.

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  1. Z

    Resolved Roundcube - SMTP 535 error - Plesk 17.8.11 #2

    Hi, After updating to 17.8 I couldn't log in to webmail (Roundcube). So I did this: Unable to log in to Roundcube webmail after upgrade to Plesk Onyx 17.8: Connection to storage server failed But now when I try to send an email I'm getting error SMTP 535 Any ideas?
  2. Z

    Issue Client mail rejected

    Hi, My client wants to send an email to me but he is receiving a message from MAILER-DAEMON : Subject: Failure notice XX.XX.XX.XX failed on DATA command. Remote host said: / Zdalny host odpowiedzial: 550 5.7.1 Command rejected SSL (def) My maillog: /var/log/maillog:5058:Feb 16 11:49:13 host...
  3. Z

    Resolved 550 5.7.1 Command rejected SSL (def)

    My friend cannot send an email to me because he is getting Failure notice with information: ... failed on DATA command. Remote host said: 550 5.7.1 Command rejected SSL (def) Is this means that there is something wrong with my mail server or his mail server? When I check his domain with...
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