Knowledge Base

DMARC check fails on Plesk server: Unable to store SPF/DKIM results into DMARC library

Symptoms

DMARC checks fails with the following error in /var/log/maillog:

Sep 27 13:26:43 server dmarc[24700]: Starting the dmarc filter...
Sep 27 13:26:43 server dmarc[24700]: DMARC store policy from domain failed
Sep 27 13:26:43 server dmarc[24700]: Unable to store SPF/DKIM results into DMARC library
Sep 27 13:26:43 server postfix-local[24697]: Error during 'dmarc' handler

Emails are not deleted from the directory /opt/psa/handler/spool/

Cause

Product issue:

#PPPM-7166 “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.”
Fixed in:
- Plesk Obsidian 21 January 2020 (Linux)
- Plesk Onyx 17.8 10 December 2018 (Linux)
- Plesk Obsidian 31 July 2018 (fixed as PPP-32807, Linux)

Resolution

Please consider updating your server:

How to install Plesk updates

Workaround

As a workaround apply a custom fix.

Note: the further instructions are intended for server administrators with direct SSH access to the server.
If direct RDP access to the server is not possible, contact server administrator for further assistance.

For Ubuntu

Connect to a Plesk server via SSH.
Download the archive:

# wget –directory-prefix=/root http://support.plesk.com/hc/article_attachments/115002980914/ub16_p175_dmarc.tar.gz
Backup the original file /usr/local/psa/handlers/hooks/dmarc:

# cp /usr/local/psa/handlers/hooks/dmarc{,.orig}
Unpack the archive:

# tar -zxvf ub16_p175_dmarc.tar.gz
Make the file executable:

# chmod 750 /root/dmarc
# chown root.popuser /root/dmarc
Replace the file /usr/local/psa/handlers/hooks/dmarc with the file from the archive:

# mv /root/dmarc /usr/local/psa/handlers/hooks/

For CentOS 7

Connect to a Plesk server via SSH.
Download the archive:

# wget –directory-prefix=/root https://support.plesk.com/hc/en-us/article_attachments/360006611434/COS7_p178_dmarc.tar.gz
Backup the original file /usr/local/psa/handlers/hooks/dmarc:

# cp /usr/local/psa/handlers/hooks/dmarc{,.orig}
Unpack the archive:

# tar -zxvf COS7_p178_dmarc.tar.gz
Make the file executable:

# chmod 750 /root/dmarc
# chown root.popuser /root/dmarc
Replace the file /usr/local/psa/handlers/hooks/dmarc with the file from the archive:

# mv /root/dmarc /usr/local/psa/handlers/hooks/

For CentOS 6

Connect to a Plesk server via SSH.
Download the archive:

# wget –directory-prefix=/root https://support.plesk.com/hc/en-us/article_attachments/360009324593/dmarc-plesk-17.8.11-cos6x64.tar.gz
Backup the original file /usr/local/psa/handlers/hooks/dmarc:

# cp /usr/local/psa/handlers/hooks/dmarc{,.orig}
Unpack the archive:

# tar -zxvf dmarc-plesk-17.8.11-cos6x64.tar.gz
Make the file executable:

# chmod 750 /root/dmarc
# chown root.popuser /root/dmarc
Replace the file /usr/local/psa/handlers/hooks/dmarc with the file from the archive:

# mv /root/dmarc /usr/local/psa/handlers/hooks/