A really useful shareware app just got a fairly hefty update. Michael Tsai’s must-have shareware program, SpamSieve, has just been updated to version 2.9.8. The new version, a 10.8 megabyte download, adds the following fixes and changes: – SpamSieve is now compatible with OS X 10.8.5. – Made various changes to improve SpamSieve’s filtering accuracy. […]