• 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 Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.

extplesk-8784

  1. M

    Resolved My Server stop send and receive emails after Plesk Obsidian 18.0.68 Update 1

    All the mails in the queue are stuck as deferred Summary status 4.3.2 deferred (host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to RCPT TO command)) Please help!
  2. S

    Resolved Email is being deferred 4.3.2

    Hello All of sudden no email is being delivered or sent via my server. All emails are in the queue as deferred. Error is 4.3.2 deferred (host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to RCPT TO command)) I have installed Plesk Email Security (paid...
  3. M

    Question Plesk Email Security Pro - 421 4.3.2 Service shutting down, closing channel - Mails are stuck in the queue

    Hi, 2 independent Plesk servers are with the same issues at the same time today. Many mails are stuck in the queue. I found the article...
    • mcac
    • Thread
    • extplesk-8784 mail queue plesk email security pro
    • Replies: 16
    • Forum: Plesk Extensions
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