• The new Python extension is now available. It allows customers to deploy and manage WSGI-based Python applications on their websites directly from Plesk.
  • Debian 11 has reached its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.81 is the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

After Upgrade to 10.3 - No SMTP

Powie

Regular Pleskian
After Upgrading, it's impossible to send mail.

try to telnet qmail: telnet localhost 25

result: 421 unable to read controls (#4.3.0)

have cheded other topics in the board, but no solution
 
what a bad update process to 10.3 .............

i have found that the problem is part of a lost file:

/var/qmail/control/smtpplugins

whats wrong?
 
/var/qmail/control/smtpplugins file is a part of plesk-mail-qc-driver package. Are you sure that you have correctly installed this package?
 
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