bogotune -s /home/spamtest/sp0608.bl -n /home/spamtest/ns0608.bl 
Verifying training db /home/spamtest/.bogofilter/goodlist.db...
Verifying training db /home/spamtest/.bogofilter/spamlist.db...
Verifying test files...
Verification completed successfully.
Recommended cache size is 17 Mbytes.
Calculating false-positive target...
Very few high-scoring nonspams in this data set;
Use these settings (only min_dev may have changed):
robx        = 0.600000 (6.00e-01)
robs        = 0.021500 (2.15e-02)
min_dev     = 0.020000 (2.00e-02)
ham_cutoff  = 0.400000 (4.00e-01)
spam_cutoff = 0.800000 (8.00e-01)
Tuning aborted.