• 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.

Incoming Mail Issues / Error 550 - MX records inaccessible

P

PTS

New Pleskian
We're having some issues getting mail to come through from certain external networks.

One of our vendors is getting this error when trying to email us:

Action: failed
Status: 5.5.0
Diagnostic-Code: smtp;550 MX records inaccessible for too long for domain: ourdomain.com - psmtp

Additionally, we can't get email sent to us from yahoo.com accounts. This error pops up:

Sorry, we were unable to deliver your message to the following address.

<[email protected]>:
No MX or A records for senecagames.com
 
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