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Issue mail_auth_dump Invalid or unsupported Unicode character

kevinjansen

Basic Pleskian
Server operating system version
Centos 7
Plesk version and microupdate number
Obsidian 18.0.50
Dear Community,

We runned against a problem that the renewed LE certificated are not replaced on the mail server.
The files got updated but the mailserver did not pickup the changes.
Therefore i runned "plesk repair mail -y" but that maked the issue even bigger.

All accounts got deleted and the repair tool ended with:

[2023-03-29 18:04:43.496] 27976:6424619b78a3f DEBUG [util_exec] [5b69522ebac954a2c0c04c85bf01a673-0] Starting: mail_auth_dump.worker --start
[2023-03-29 18:04:43.522] 27976:6424619b78a3f DEBUG [util_exec] [5b69522ebac954a2c0c04c85bf01a673-0] Finished in 0.02423s, Error code: 1
[2023-03-29 18:04:43.523] 27976:6424619b78a3f ERR [util_exec] proc_close() failed ['/usr/local/psa/admin/bin/mail_auth_dump.worker' '--start'] with exit code [1]
[2023-03-29 18:04:43.525] 27976:6424619b78a3f DEBUG [panel] Execute: '/usr/local/psa/admin/bin/send-error-report' 'warning'
Error: /usr/local/psa/admin/bin/mail_auth_dump.worker[29044]: Input parse error: Invalid or unsupported Unicode character or escape sequence found in string. UTF8 encoded characters and '\u' escape sequences are not supported. Error occured at offset 640, character '\'.

I have tried:
Users are not able to log into mailboxes: Invalid or unsupported Unicode character or escape sequence found in string - Support Cases from Plesk Knowledge Base
but without success.

The mail_auth_dump process shows the same error as above. And in /var/log/plesk/panel.log it says:

[2023-03-29 18:09:04.741] 45932:642462a0aec49 ERR [util_exec] proc_close() failed ['/usr/local/psa/admin/bin/mail_auth_dump.worker' '--start'] with exit code [1]
[2023-03-29 18:09:04.741] 45932:642462a0aec49 ERR [panel] PleskUtilException: '/usr/local/psa/admin/bin/mail_auth_dump.worker' '--start' failed with code 1.

stdout:


stderr:
/usr/local/psa/admin/bin/mail_auth_dump.worker[46997]: Input parse error: Invalid or unsupported Unicode character or escape sequence found in string. UTF8 encoded characters and '\u' escape sequences are not supported. Error occured at offset 640, character '\'.

file: /usr/local/psa/admin/plib/Service/Agent/Transport/Local/Exec.php
line: 60

code: 0

What i understand is that a password is not using a assci character, but it does not print me what account it is.
I tried to search in the database to all accounts, and compaired all the mail accounts (usernames) but none are using non alphabetical letters beside the . numbers and -_

But to change all the passwords is a last resort i want to do, cause then all that customers needs to be called since most of them are using there own email as communication and they are then not getting a password reset email.

What we can do now to resolve it?
 
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