Clamd: unable to connect to UNIX socket error

Sometimes you may get the following error in exim mail logs.

2006-01-29 12:19:48 1F3BWz-0000G8-LV malware acl condition: clamd: unable to connect
to UNIX socket /var/clamd (Socket operation on non-socket)
2006-01-29 12:19:48 1F3BWz-0000G8-LV H=(pool-0.0.0.0) [0.0.0.0] F=< test@test.com This e-mail address is being protected from spambots. You need JavaScript enabled to view it > temporarily rejected after DATA


Fix:

Uninstall the clamavconnector through WHM, then delete following files on the server.

rm -fv  /etc/clamd.conf
rm -fv /etc/freshclam.conf


Then reinstall clamavconnector through WHM. This will fix the issue.