Note: This article has the reference to the issue with the fix available:
- #PPPM-6847 "Mail from specific senders, including amazon.de and husqvarnagroup.com,
could not pass DMARC verification."
- There is a lot of temporary files deferred in /usr/local/psa/handlers/spool/
- DMARC feature is enabled in Plesk
mail.logpersist following messages:
PLESK_INFO: Aug 28 10:28:11 hostname postfix-local: _mh_fork(): The child process with pid 8873 killed by signal 11
Aug 28 10:28:11 hostname postfix-local: Error during 'dmarc' handler
- The following errors can be observed in
PLESK_INFO: dmarc: segfault at 1 ip 00007f6756e95c9c sp 00007fffcb2c3c10 error 4 in libc-2.12.so[7f6756e4e000+18a000]
This is a Plesk bug #PPPM-6847 , that has been fixed in Plesk Onyx 17.5.30 MU#23
Install Plesk Onyx 17.5.30 MU#23 updates to fix the issue.