if [ "$2" = "POST-INSTALL" ] && [ -e ${PKG_PREFIX}/etc/bogofilter.cf ] ; then
cat - <<_EOF

--------------------------------------------------------------------------
The recent bogofilter versions have undergone substantial changes that can
affect compatibility and may require that you change your configuration.

See the RELEASE.NOTES-* files that shipped with bogofilter for details.
--------------------------------------------------------------------------

_EOF
fi