Install ClamAntiVirus
# apt-get install clamav
Add user and group :
# adduser clamav amavis
Adding user `clamav’ to group `amavis’ …
Adding user clamav to group amavis
Done.
# adduser amavis clamav
Adding user `amavis’ to group `clamav’ …
Adding user amavis to group clamav
Done.