• 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.

Recent content by Jeff@rackAID

  1. Jeff@rackAID

    Resolved Server header

    Apache does not permit you to remove the server header. You can limit information with the ServerTokens and ServerSignature directives. Nginx also does not permit removal of the header. You can set tokens off in Nginx as well to minimize the information. There are 3rd party modules...
  2. Jeff@rackAID

    Resolved php mail fails for regular users, works for root

    Please see this issue: Mail send failure on Plesk server: "You are not allowed to use sendmail utility. REJECT" I had this on a server that had been through a number of major version upgrades.
  3. Jeff@rackAID

    Question Your reverse DNS does not match with your sending domain.

    The error you see is what is known as Forward-Confirmed reverse DNS (FCrDNS). This basically means that the hostname's A record must match the reverse DNS (PTR) record for the IP. While some legacy email service providers may use this and a few anti-spam solutions check this value, I do...
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