MennovB <[EMAIL PROTECTED]> writes: > [...] > I already block mail from lots of adsl/cable urls. In the reject > message I mention the SMTP-server of their ISP so they know what to > change if they want to send mail to me. I also use the DUL list for > blocking. Forcing SMTP to go through the ISP has IMHO nothing to do > with free-speech or not, even direct SMTP traffic is passing through > routers of the ISP anyway so they could monitor it, and you can always > encrypt mail if you want to.
The core challange in such aproach is to standardize way of blocking messages from DUL ranges *in SMTP session* that gives sending MTA a chance to use fallback relay (smarthost provided by ISP). One suggested approach was to use "in greeting message" 5?? reject. It makes *sendmail* "as it is" use fallback relays. > [...] -- [pl2en: Andrew] Andrzej Adam Filip : [EMAIL PROTECTED] : [EMAIL PROTECTED]