• 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!
  • We are looking for U.S.-based freelancer or agency working with SEO or WordPress for a quick 30-min interviews to gather feedback on XOVI, a successful German SEO tool we’re looking to launch in the U.S.
    If you qualify and participate, you’ll receive a $30 Amazon gift card as a thank-you. Please apply here. Thanks for helping shape a better SEO product for agencies!
  • 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.

smtp 550

  1. P

    Question SMTP 550 bounce after 5 days?

    Hello, A customer gets a bounce on a 550 SMTP bounce after 5 days. I would say it's normal to get such errors direct? Why trying many days? Is it possible to configure this behavior? With regards, Paul
  2. C

    Issue Mail sent from Plesk to same domain on 365 denied

    Hi all, I have a Plesk server using Postfix, and email is disabled on all domains. Outbound email is allowed and is working to a point. I have a group of sites that all share the same 365 tenant as they are in-house domains. I have set Plesk DNS name and rDNS up and mail to gmail etc flows...
  3. ClementSaubois

    Issue SMTP Error (550)

    Hello, I use plesk as a send server for some domains. When I send e-mails to external e-mail addresses whose reception account is external to Plesk but the domain is registered on plesk to send mail, I find this error : SMTP Error (550): Failed to add recipient...
  4. David Perez

    Issue Cannot receive emails 550 5.7.1 Command rejected.

    Hello, I'm trying to receive from an email account an email, but they gets this error: host mail.domain.com [xxx.xx.29.70] SMTP ERROR from remote mail server after pipelined DATA: 550 5.7.1 Command rejected. I have Plesk Onyx 17.8 Where can I look for?
  5. S

    Issue User unknown in virtual mailbox table

    Hi Pleskians! I recently ordered a Reseller hosting for some of my clients. I have created a domain and a email address, but whenever I try to send an email, I get the following error message: SMTP Error (550): Failed to add recipient "[email protected]" (5.1.1 <[email protected]>: Recipient...
  6. Y

    Issue SMTP ERROR 550 5.1.1

    I have this error : SMTP Fehler (550): Der Empfänger "[email protected]" konnte nicht gesetzt werden (5.1.1 <[email protected]>: Recipient address rejected: domain.de). I can send locally from one email address to the other emails. But not from my local email addresses to other email addresses...
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