- Plesk Onyx for Linux
Records like the following can be found in
CONFIG_TEXT: dk_check: Starting the dk_check filter...
dk_check: DKIM verify result: DKIM verification (d=example.com, 1024-bit key) failed: signature verification failed
Verify incoming mail option is enabled in Plesk > Tools & Settings > Mail Server Settings.
Emails are sent from Office365 to the Plesk server.
Emails are delivered successfully on the Plesk server.
MXToolBox Header analyzer shows the following warning:
CONFIG_TEXT: Body Hash Did Not Verify
This is Plesk bug with ID #PPPM-10436 that is planned to be fixed in future Plesk updates.
Since messages are delivered successfully, warnings can be safely ignored.