justin mason wrote interestingly some of these seem apparently to be encrypted versions of the recipient email address to see this rotNUMBER yr address and grep your spam archive there ll be at least NUMBER hit theo van dinter felicity kluge net writes hmmm i m surprised at these results especially since i should be seeing some false positives not a lot of matches though still worthwhile NUMBER NUMBER is not that bad my results overall spam nonspam s o rank score name NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER all messages NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER all messages as NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER t_rotNUMBER_email_NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER t_rotNUMBER_email_NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER NUMBER t_rotNUMBER_email the interesting thing is that these hits all seem to be rotNUMBER versions of the to address if we ever start getting fps or if anyone is worried we could make it an eval test for rotNUMBER of the to address turning non word characters into characters in the regular expression at the same time it might be worth testing for username in html comments i found some quinlan types in html comments but i haven t seen enough hits so far to bother however i did add a really good test for email addresses in comments dan 