On Sat, 20 Oct 2001 18:42:51 -0700 Ronald F Guilmette <[EMAIL PROTECTED]> wrote: > In message <[EMAIL PROTECTED]>, J C Lawrence > <[EMAIL PROTECTED]> wrote:
> If you try to differentiate mail message into two piles, just > based on whtehre the envelope sender was null or not, then in one > pile... the null envelope sender pile... you will have a lot of > bounce messages, but also a fair amount of spam, and also quite a > few auto-responses from badly implemented autoresponders. In the > other pile... the non-null envelope sender pile... you will have a > lot of normal messages PLUS a lot of non-deliverable bounces PLUS > a lot of autoresponses. Odd that. I do filter in precisely that way and while yes, I do catch a fair bit of spam, my non-spam false positive rate is pretty close to zero (somewhere near 0.0001%). > Life, in practice, just isn't as simple as we would wish it to be. Too true. -- J C Lawrence ---------(*) Satan, oscillate my metallic sonatas. [EMAIL PROTECTED] He lived as a devil, eh? http://www.kanga.nu/~claw/ Evil is a name of a foeman, as I live.
