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  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.
  • The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.

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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