Log Message:
Update to 1.4.18.8

Changes since 1.4.16.2:

1.4.18.8 : 2011.12.04
  - FIXME: experimental ratelimit support (options: ratelimit_*); to be changed
  - regex-match debugging logs
  - setting proxy_name to "*" (asterisk, without quotes) uses
        system hostname&domainname (from now on by default)
  - fixed without USE_NAT_TPROXY
  - SOL_IP changed to IPPROTO_IP to be more portable
  - clarified BUG and child crash counters in state file
  - conditional mode: "tproxy,netfilter" (untested)
  - introduced PID hashing for high max_connections values (experimental)
  - introduced host hashing for high max_connections values (experimental)
  - fixed possible crash when daemon is reloaded after pipeline_size change
  - lock_duration exported to action_script environment
  - removed bug in untaint() usage
  - fixed FOUND environment variable for action scripts on REGEX matches
  - updated contrib/debian.init to conform LSB Dependency Boot
  - raised default values for limit_* configuration options
  - added HELO environment variable to action script
  - fixed doc installation (does not install *.html as man-h section)
  - client_callback() body split into multiple functions
  - simple earlytalker: does not delay the MTA greeting but reacts on
        MUA commands before the greeting
  - fixed conffile.c getline usage for systems not having getline()

1.4.17 : 2010.08.29
  - upgrade to TPROXY4, verified on Linux kernel 2.6.32
  - many TPROXY related fixes making it finally usable (thx to Tamer Mohamed)
  - no need to use getsockopt(SO_ORIGINAL_DST) for tproxy, so removed
  - new value for spool_leave_on: always

1.4.16.3 : 2010.02.12
  - new test cases for spf
  - new example configurations in contrib/
  - added last !BUG! date in statefile
  - test case for !BUG! (tests/997bug.t)
  - ChangeLog translation to English