• 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.

Issue email in plesk is receive only not send and display (26) DNS lookup failure

E

eng_nermeen

New Pleskian
when send email from email plesk system dont send email when I open log mail system display this error
virtualserver01 spf[20290]: Error code: (26) DNS lookup failure
 
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