UPGRADE

ppolicy 2.6.5-11 -> 2.6.7
=========================
- changed parameters for List, ListBW, ListDyn, ListMailDomain
  (parameters to database columne mapping)
- dropped support for twisted 1.3, added new python dependencies

ppolicy 2.6.5-4 -> 2.6.5-5
==========================
- changed database structure for Greylisting
  drop older tables and new will be created automaticaly

ppolicy 2.6.5-3 -> 2.6.5-4
==========================
- changed configuration of DNS blacklist score (see tools/dnsbl.dat)

ppolicy 2.5.x -> 2.6.x
======================
- changed ListMailDomain result (< 0 blacklist, > 0 whitelist, = undefined)
- changed default log dir to /var/log/ppolicy
  (/var/spool/ppolicy can be removed)
- changed return code for SPF module (-1 ... softfail, -2 ... fail)
- changed return code for DumpDataDB, it returns 1 and record number
- changed algorithm for searching domain parts in ListMailDomain
  (to be compatible with Amavis lookup table)


ppolicy 2.4.x -> 2.5.x
======================
- changed retEx structure for Greylist
- changed listenPort -> ppolicyPort in ppolicy.conf