/var/log/ipfilter-bulk.log {
  size 20M
  rotate 10
  compress
  compresscmd bzip2
  compressext bz2
  postrotate
    /etc/init.d/sysklogd reload >/dev/null
  endscript
}

/var/log/ipfilter-high.log {
  daily
  rotate 730
  olddir /var/log/ipfilter-old.d
  nocompress
  mail ich@meine.domain.de
  mailfirst
}