2015-04-30: SpamAssassin 3.4.1 has been released! Highlights include:
improved automation to help combat spammers that are abusing new top level domains;
tweaks to the SPF support to block more spoofed emails;
increased character set normalization to make rules easier to develop and stop spammers from using alternate character sets to bypass tests;
continued refinement to the native IPv6 support; and
improved Bayesian classification with better debugging and attachment hashing.
