Re: CBV systems - was Re: SMTP Extensions - proper peply code for disabl

On Wed, 14 Jan 2004 17:40:15 EST, Keith Moore said:

> > Very little spammers use a NULL address because it
> > reinforces further DSN checking that will fail their transaction. 
> Of course, systems that do such checking are broken. Nothing says that a
> NULL address signals a DSN.
And in fact, LSoft's Listserv product does this.  It will send things like 
cookie
confirmations for subscription requests with a MAIL FROM:<> specifically
so that if the request came from a duff address, the Listserv reply goes out
and bounces, it won't get a totally useless bounce message coming back at it.

pgpp8qlpmHoZh.pgp
Description: PGP signature