• Please be aware: Kaspersky Anti-Virus has been deprecated
    With the upgrade to Plesk Obsidian 18.0.64, "Kaspersky Anti-Virus for Servers" will be automatically removed from the servers it is installed on. We recommend that you migrate to Sophos Anti-Virus for Servers.
  • The Horde webmail has been deprecated. Its complete removal is scheduled for April 2025. For details and recommended actions, see the Feature and Deprecation Plan.
  • We’re working on enhancing the Monitoring feature in Plesk, and we could really use your expertise! If you’re open to sharing your experiences with server and website monitoring or providing feedback, we’d love to have a one-hour online meeting with you.

Problem with SPF and DNS resolution

This issue is still persisting. There seem to be servers on the Internet that return a SERVFAIL when queried for the SPF RR. While I believe this is wrong (it should return NOERROR or NOTIMP), it does result in Plesk returning a tempfail for e-mail delivery.
The SPF RR is deprecated for some time now, and I feel the right thing to do is to remove the query for SPF RR and only use TXT RR.
 
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