DMARC feature is enabled in Plesk at Tools & Settings > Mail Server Settings > Enable DMARC to check incoming mail.
The temporary mail files from
/usr/local/psa/handlers/spoolaren't removed and the disk space usage increases.
/var/log/mail.logpersist following errors for emails from particular domains:
CONFIG_TEXT: postfix-local: _mh_fork(): The child process with pid 14665 killed by signal 11
postfix-local: Error during 'dmarc' handler
CONFIG_TEXT: kernel: [251579.818063] dmarc: segfault at 0 ip 00007f60f12ac0b0 sp 00007ffeeb867998 error 4 in libc-2.24.so[7f60f118b000+195000]
The following errors can be found in
# dmesg | grep 'segfault at'
[ 36.586810] dmarc: segfault at 0 ip 00007fe5465070b0 sp 00007ffd84f303e8 error 4 in libc-2.24.so[7fe5463e6000+195000]
- #PPPM-10547 "DMARC checks no longer result in a segmentation fault under specific circumstances, which caused errors to be written to the logs and temporary files not being cleaned up."
- Plesk Obsidian 21 January 2020 (Linux)