\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
 PNG

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
/var/log/exim/*log {
  su boa1684427 boa1684427
  rotate 14
  daily
  nocreate
  missingok
  notifempty
  compress
}