Mark Delany writes:

> At 04:22 3/03/99 -0000, D. J. Bernstein wrote:
> >Glenn writes:
> >> What's needed for Windows is a simple, but configurable program that
> >> runs on the user's machine and listens to localhost:25.
> >
> >Right. MUAs can use 127.0.0.1:25 (and 127.0.0.1:110) by default. An ISP
> >can supply its favorite proxy program, including configuration, directly
> >to the users.
> 
> Doesn't scale particularly well for the plethora of people that use multiple 
> ISPs or roam. Unless the supplied program is in fact common, then why not 
> have this common code in the UA in the first place?

Actually, this does seem to me to be the perfect answer to those who insist
that they must keep their relays open in order to cater to their roaming
customers.

>From now on, my standard answer will be exactly that: provide your customer
with a port 25 proxy that authenticates his IP address using whatever
method you feel is convenient, and then simply does a pass through to your
own port 25.

I don't see the argument re multiple ISPs. After all, the claim is that the
stupid user is too stupid to properly configure his mail client, and he
wants to have the same configuration no matter which ISP he's dialed into,
and his stupid mail client doesn't check mail via POP before trying to send
mail, so pop-before-transmit won't work.

Okee-dokee.  Configure his mail client to connect to 127.0.0.1 port 25, and
provide him with a custom-made proxy that transparently forwards to your
port 25 after authenticating itself, somehow.

-- 
Sam

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