• 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.

Domainkeys Bad Sig if using Microsoft Outlook

R

RobertoM

Guest
Hello,

I'm experiencing a problem sending emails with domainkey signature using Microsoft Outlook.
All work fine if I send emails from LiveMail, Webmail or Outlook Express.
Emails are received for example from yahoo accounts with this header autentication report:

Authentication-Results: mta1099.mail.ird.yahoo.com from=domainname.com; domainkeys=pass (ok); from=domainname.com; dkim=neutral (no sig)

If I send emails from Microsoft Outlook header autentication report is:
Authentication-Results: mta1052.mail.ird.yahoo.com from=domainname.com; domainkeys=fail (bad sig); from=domainname.com; dkim=neutral (no sig)

domainkeys=fail (bad sig): This cause problems sending emails to a particular restrictive mail servers that refuse emails.

I have checked now and I have the same problem on new fresh and clean installations of PLESK10.3 on ubuntu10.04, but also on the oldest installations of PLESK9.5

It seem to be a problem that come from far!

Now I have a tiket opened with your support but I think that it is not a problem regarding my server, I think that it is a general problem of PLESK.

Also I have a question: How is it possible that DKIM is not already available on PLESK and only discontinued and obsolete Domainkey is "supported"?
 
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