- Plesk for Linux
When enabling ClamAV in the Plesk Email Security extension, the operation fails with:
PLESK_ERROR: Execution filemng has failed with exit code 1, stdout: , stderr: Job for email@example.com failed because the control process exited with error code. See "systemctl status firstname.lastname@example.org" and "journalctl -xe" for details.
When manually enabling the clamd service via SSH the operation fails with:
# systemctl status email@example.com
* firstname.lastname@example.org - clamd scanner (scan) daemon
Loaded: loaded (/usr/lib/systemd/system/clamd@.service; enabled; vendor preset: disabled)
Active: activating (start)
clamd: daemonize() failed: Cannot allocate memory
clamd: Socket file removed.
Clamd process has a high CPU usage:
# ps awufx | grep clamd | grep -v grep
amavis 1804892 96.3 24.7 1117096 968048 ? Rs 17:19 0:10 /usr/sbin/clamd -c /etc/clamd.d/amavisd.conf
The following error is shown multiple times on the
# egrep "Cannot allocate memory" /var/log/maillog | wc -l
There is not enough memory to initialize the service. The server should have at least 4 GB of overall memory and 2 GB free memory.
Allocate more RAM to the server.
The clamav-milter service, which is a part of Plesk Email Security extension, is stopped by default. The service is managed by Clam Antivirus and is started automatically on a request.