• If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread:
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  • Inviting everyone to the UX test of a new security feature in the WP Toolkit
    For WordPress site owners, threats posed by hackers are ever-present. Because of this, we are developing a new security feature for the WP Toolkit. If the topic of WordPress website security is relevant to you, we would be grateful if you could share your experience and help us test the usability of this feature. We invite you to join us for a 1-hour online session via Google Meet. Select a convenient meeting time with our friendly UX staff here.

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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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