>> I'd like to do it on body length, but I can't find a suitable way of
>> doing this. body /.{100}/ will match on any e-mail which *has* got a
>> paragraph of > 99 characters...


body __BODY_100 =~ /.{100}/
meta BODY_LT_100 !__BODY_100

or maybe

body BODY_LT_100 !~ /.{100}/

Loren