• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be 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.

sendmail returned error code 111

T

tim kola

Guest
os centos
qmail
plesk 9.3 upgrade

unable to send or recieve email
sendmail returned error code 111
 
Usually this error related to uncompleted upgrade procedure. Seems Qmail packages were not correctly updated there. Try to switch to Postfix and to Qmail back with autoinstaller or just reinstall all qmail packages with force.
 
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