### http://www.clamav.net/
 ['ClamAV-clamd',
   \&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamav/clamd.ctl"],
   qr/\bOK$/, qr/\bFOUND$/,
   qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
 # NOTE: remember to add the clamav user to the amavis group, and
 # to properly set clamd to init supplementary groups
 # When running chrooted one may prefer: ["CONTSCAN {}\n","$MYHOME/clamd"],