Article ID: 121095, created on Apr 15, 2014, last review on Jun 17, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux
  • Plesk 11.0 for Linux
  • Plesk 11.5 for Linux


The Mchk utility fails with this error:

    Checking for: mail_drweb_restore... ok
    Errors occured in mail restore procedure
    Some utilities have exited with errors: 


The 'mail_auth_dump' utility crashes if there is a problem with one or several mailbox passwords.


There are several cases when 'mail_auth_dump' may fail to rebuild its mail authentication database. Please follow these steps to find the root cause of your issue:

  1. Check whether there are any mail accounts without a password set up. Log in to the PSA database and execute:

    mysql> SELECT CONCAT_WS('@',mail.mail_name,,accounts.password FROM domains,mail,accounts WHERE AND AND accounts.password='' ORDER BY ASC,mail.mail_name ASC;
  2. Check whether there are accounts with the passwords that cannot be decrypted by Plesk:

    /usr/local/psa/admin/sbin/mail_auth_view | grep '$AES' 
  3. Check for mailboxes with an incorrect encryption method defined in the Plesk database:

     MYSQL_PWD=`cat /etc/psa/.psa.shadow`  mysql -uadmin psa -Ne "SELECT CONCAT_WS('@',mail.mail_name,,accounts.password FROM domains,mail,accounts WHERE AND AND accounts.type='sym' and accounts.password  not like '%AES%' ORDER BY ASC,mail.mail_name ASC"
  4. Check that every mail account in the mail table has corresponding entry in the accounts table:

    mysql> select * from mail where account_id not in (select id from accounts);

    If the result is not empty, please apply the solution described in this article.

If any of the above queries return a non-empty result, the password for the corresponding mailboxes should be changed in order to re-encrypt it in the Plesk database.

If the previous methods do not help to resolve the issue, and '/usr/local/psa/admin/sbin/mail_auth_view' returns the full list of mailboxes and passwords, then Plesk may be failing due to combinations of special characters in a mailbox's password.

If none of these methods help, you can also try to strace the 'mail_auth_dump' utility:

strace -q -vtT -s4096 -ostrace.log  /usr/lib64/plesk-9.0/mail_auth_dump

The output file 'strace.log' should contain some hints on the cause of this failure.

Search Words

Microupdate 62

Checking for: mail_auth_dump... fail

starter: submitter[18034] exited normally

mchk error

mail auth fails

Cannot Get Mail

pop3d-ssl: Unexpected SSL connection shutdown.



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