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]

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