zachary@zserver1:~$ sudo service clamav-daemon restart && service clamav-milter restart
 * Stopping ClamAV daemon clamd                                                                                                                                             [ OK ]
 * Starting ClamAV daemon clamd                                                                                                                                                    LibClamAV Warning: ******************************************************
LibClamAV Warning: ***      Virus database timestamp in the future!   ***
LibClamAV Warning: ***  Please check the timezone and clock settings  ***
LibClamAV Warning: ******************************************************
                                                                                                                                                                            [ OK ]
chown: changing ownership of ‘/var/spool/postfix/clamav’: Operation not permitted
chown: changing ownership of ‘/var/run/clamav’: Operation not permitted
chown: changing ownership of ‘/var/spool/postfix/clamav’: Operation not permitted
chown: changing ownership of ‘/var/run/clamav’: Operation not permitted
 * Stopping Sendmail milter plugin for ClamAV clamav-milter                                                                                                                 [ OK ]
rm: cannot remove ‘/var/run/clamav/clamav-milter.pid’: Permission denied
chown: changing ownership of ‘/var/spool/postfix/clamav’: Operation not permitted
chown: changing ownership of ‘/var/run/clamav’: Operation not permitted
/etc/init.d/clamav-milter: 381: kill: Operation not permitted

 * Starting Sendmail milter plugin for ClamAV clamav-milter                                                                                                                        start-stop-daemon: unable to set gid to 134 (Operation not permitted)
 * Tried to change socket group, but socket did not appear.