Tim Peters wrote: > Greg Ward explained how python.org checks for viruses here: > > http://mail.python.org/pipermail-21/spambayes/2002-September/000327.html Here's what I'm using with qmail: http://arctrix.com/~nas/misc/qmail-filter-exe.py Message with viruses are usually pretty big so keeping them out of corpus saves a lot of space. Neil