SpamSieve 2.9.7 is NOT compatible with Mail 6.6 in OSX 10.8.5

SpamSieve
1

Beware:

SpamSieve 2.9.7 is NOT compatible with Apple Mail 6.6 (1810) which is part of the latest OSX Mountain Lion update 10.8.5

2

SpamSieve 2.9.8 is now available. If possible, update SpamSieve before updating to Mac OS X 10.8.5.