- update to patch release version 4.0.1
- Incompatibilities with some versions of perl and some perl modules
that have been released since the release of SpamAssassin 4.0.0
- Problems using cpan to install SpamAssassin when certain required
or optional modules are not already installed
- Support for space characters in the path name of some executables
used by certain plugins
- Improved handling of URL shortener link redirects
- Improved TxRep locking management
- Added Mail::SpamAssassin::Plugin::AuthRes plugin to use
Authentication-Results header fields in other plugins
- Added a Pyzor Perl implementation
- Perl crash when certain uri_detail rules processed some messages
with UTF-8 characters
- Inconsistent handling of newlines in header rules
- Text or HTML content placed in octet-stream attachments by
spammers to bypass SpamAssassin scanning
- Implemented TCP fallback for truncated DNS UDP replies
- Refresh patch-URIDNSBL
- Drop undocumented patch-SQL_ASCII_SORT breaking sqlite
- Drop most of iXhash2-meta-rules.patch (additional services no longer exist)