Starting on October 19, 2021, we will enable single-sign-on for our Plesk Support Center to provide a seamless login/account experience. This implies that you’ll be able to use a single account across any of our web-facing properties.
To be prepared for this change and to avoid the need to register during your next ticket submission after the change, we encourage you to create an account here before October 19 using the same email address as your current Zendesk login (support account). It’s essential that you use the same email address on our support center to ensure that your tickets stay attached to the same account. You will continue to use ZenDesk authentication until we switch over to single-sign-on on October 19th.

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Mail forwarding does not work on Plesk server if email address was created without password

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Dinara Aspembitova
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Plesk for Linux kb: fixed kb: bug ABT: Group A

Applicable to:

  • Plesk for Linux

Symptoms

  • Mailbox is enabled for email account, however password was not set, therefore there is no link to log into WebMail:
    4.PNG

  • Mailbox john.doe@example.com was created with unchecked Access to the Customer Panel option:
    5.png
  • Emails are not delivered to the mailbox john.doe@example.com with the following error in /var/log/maillog:

    CONFIG_TEXT: dovecot_authdb_plesk[5239]: No such user 'john.doe@example.com' in mail authorization database

  • Forwarding from john.doe@example.com is not working with the following error in /var/log/maillog:

    CONFIG_TEXT: postfix/pipe[54766]: to=<john.doe@example.com>, relay=plesk_virtual, delay=0.3, delays=0.27/0/0/0.03, dsn=4.2.1, status=deferred (Message can not be delivered at this time )

Cause

Product issue:

  • #PPPM-8076 "It is no longer possible to create mail accounts without a password by clearing the “Access to the Customer Panel” checkbox during mail account creation."
    Fixed in:

Resolution

Please consider updating your server:

Workaround

If update is not possible for some reason you may try the following

workaround
  1. Log into Plesk;
  2. Go to Plesk >  Domains > example.com > Email Addresses > john.doe@example.com;
  3. Either disable mailbox for this account or specify the password for it:
    3.PNG

Note: With disabled mailbox only email forwarding will be working on the account.

Additional information

Email cannot be delivered: No such user in mail authorization database

Comments

2 comments

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  • Avatar
    jitendra Desai
    This is the mail system at host mail.awsconsultant.in.

    I'm sorry to have to inform you that your message could not
    be delivered to one or more recipients. It's attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can
    delete your own text from the attached returned message.

                       The mail system

    <dj@webzworld.in>: host aspmx.l.google.com[74.125.24.27] said: 550-5.7.28
        [68.183.84.82       1] Our system has detected an unusual rate of
        550-5.7.28 unsolicited mail originating from your IP address. To protect
        our 550-5.7.28 users from spam, mail sent from your IP address has been
        blocked. 550-5.7.28 Please visit 550-5.7.28
        https://support.google.com/mail/?p=UnsolicitedIPError to review our 550
        5.7.28 Bulk Email Senders Guidelines. a5si1630763pjv.104 - gsmtp (in reply
        to end of DATA command)
    Reporting-MTA: dns; mail.awsconsultant.in
    X-Postfix-Queue-ID: 316E570
    X-Postfix-Sender: rfc822; info@computeramc.in
    Arrival-Date: Tue, 11 Feb 2020 08:47:04 +0000 (UTC)

    Final-Recipient: rfc822; dj@webzworld.in
    Original-Recipient: rfc822;dj@webzworld.in
    Action: failed
    Status: 5.7.28
    Remote-MTA: dns; aspmx.l.google.com
    Diagnostic-Code: smtp; 550-5.7.28 [68.183.84.82       1] Our system has
        detected an unusual rate of 550-5.7.28 unsolicited mail originating from
        your IP address. To protect our 550-5.7.28 users from spam, mail sent from
        your IP address has been blocked. 550-5.7.28 Please visit 550-5.7.28
        https://support.google.com/mail/?p=UnsolicitedIPError to review our 550
        5.7.28 Bulk Email Senders Guidelines. a5si1630763pjv.104 - gsmtp
     
    Getting this error with all outgoing email
    0
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  • Avatar
    Maxim Krasikov

    Hi @jitendra Desai, 

    According to the provided bounce email, the server IP address was identified and blacklisted as a source of Spam.
    Please find the troubleshooting steps in the article below:
    An IP address of a Plesk mail server got blacklisted. How to troubleshoot?

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