....
.....
/var/amavis/db/; BerkeleyDB 0.31, libdb 4.5
May 18 12:58:42 mail.satimis.com /usr/local/sbin/amavisd[3702]: 
(!!)TROUBLE in pre_loop_hook: QUARANTINEDIR directory not writable:    

/var/virusmails at /usr/local/sbin/amavisd line 7802.
Suicide () TROUBLE in pre_loop_hook: QUARANTINEDIR directory not 
writable: /var/virusmails at /usr/local/sbin/amavisd line 7802.

......
$max_servers = 2;            # num of pre-forked children (2..15 is 
common), -m
$daemon_user  = '_clamav';     # (no default;  customary: vscan or 
amavis), -u
$daemon_group = '_clamav';     # (no default;  customary: vscan or 
amavis), -g

$mydomain = 'satimis.com';   # a convenient default for other settings

$MYHOME = '/var/amavis';   # a convenient default for other settings, 
-H
$TEMPBASE = "$MYHOME/tmp";   # working directory, needs to exist, -T
$ENV{TMPDIR} = $TEMPBASE;    # environment variable TMPDIR
$QUARANTINEDIR = '/var/virusmails';  # -Q
# $quarantine_subdir_levels = 1;  # add level of subdirs to disperse 
quarantine

# $daemon_chroot_dir = $MYHOME;   # chroot directory or undef, -R

$db_home   = "$MYHOME/db";      # dir for bdb nanny/cache/snmp 
databases, -D
$helpers_home = "$MYHOME/var";  # working directory for SpamAssassin, 
-S
$lock_file = "$MYHOME/var/amavisd.lock";  # -L
$pid_file  = "$MYHOME/var/amavisd.pid";   # -P
......