Error while trying to send mail on Plesk Onyx with CBM: Recipient address rejected: User unknown in virtual alias table

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    Sabrina Cadena

    Doesn't say how to resolve the issue WHATSOEVER.

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    Lev Iurev

    @Sabrina, did you face the same error? Could you please post it here

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    Sabrina Cadena (Edited )

    Yes exact same error. What's the fix?
    postfix/error[2323]: 98F2524BC9: to=<psaadm@domain.com>, orig_to=<psaadm>, relay=none, delay=0.11, delays=0.05/0.01/0/0.05, dsn=5.1.1, status=bounced (User unknown in virtual alias table)

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    Lev Iurev

    @Sabrina, does this email(like psaadm@domain.com) exist on the server? Is domain.com a hostname of your server?

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    Tim Bishop

    The point here is that there is no resolution, because this is the expected behaviour. Now, if you received this same error with another email that is related to a domain on your server, that would be an issue. But, the email address given in the error does NOT exist on ther server, as a result, this error occurs.

    So my question is did you get this same error with an email that DOES exist?

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    Johnny Utah

    I have this error in Plesk 17: 'relay=none, delay=0.47, delays=0.34/0.06/0/0.07, dsn=5.1.1, status=bounced (User unknown in virtual alias table)'

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    Lev Iurev

    @Johnny, this error appears for outgoing message or for inbound? Does domain or email persist on the Plesk server?

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    Johnny Utah

    I can send email but i do not receive them.

    I have opened a topic on the support forums about this where i can give you more details: https://talk.plesk.com/threads/emails-bounce-on-postfix-or-qmail.341315/

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    Markus Thiel

    I got this message every 5 minutes after upgrading from 12.5 to onyx.

    At first i tried to add an alias for psaadm. But it didn't work.

    But then I found out what was causing this...

    Under /etc/cron.d/billing-task-manager is a task that runs every 5 minutes. I guess it has something to do with the customer stuff they removed from 12.5 to onyx.

    If you disable (comment out the first line of) /etc/cron.d/billing-task-manager, the postfix error message disappears.

     

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    Sabrina Cadena (Edited )

    While I understand that this is expected behavior, the Plesk admin email address was receiving an email every 5 minutes regarding the missing psaadm@ user. It's related to using CBM in previous Plesk versions and the issue only occurred after my customer upgraded to Onyx without removing CBM. 

    Here is the subject of the email being sent to my Plesk admin user:
    Subject: Cron <psaadm@plesk> /opt/plesk-billing/task-manager/scripts/run-all.sh --config /opt/plesk-billing/task-manager/config/config.ini

    Since the cron is being run by the user "psaadm", it sends notifications to psaadm@. This is the article I used to find out how these emails are sent to the Plesk admin email address:
    https://support.plesk.com/hc/en-us/articles/213906025-Customer-Business-Manager-no-automatic-tasks-are-being-performed

    TL;DR If you upgrade to Plesk Onyx without uninstalling CBM, you may have issues with CBM crons. 

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