- Removed the shut down DSBL blocklists (#2796734).
- Fixed broken RFC1918 reference in contrib/.htaccess and doc/.htaccess (#2798839).
- Stop using deprecated ereg functions. (#2820952)
+ - Remove personal data from Message ID seed. (#880029/847107)
+ - Implemented page referal verification mechanism. (Secunia Advisory SA34627)
+ - Implemented security token system. (Secunia Advisory SA34627)
+ - Fix issue with multi-part related messages not showing all attachments (#2830140).
+ - Fix for security token missing in newmail plugin (#2919418).
+ - Fix for mailto: urls containing + characters, thanks to Michael Puls II for the
+ patch.
+ - Make base URL autodetection more robust; fixes some lighttpd issues
+ (probably #1741469).
Version 1.5.1 (branched on 2006-02-12)
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