Re: Mail-Transmitter RR

[David Green <green@couchpotato.net>]

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On 1 Jun 2002, Derek Atkins wrote:
> Agreed.  I send mail from my laptop, which travels with me all over
> the place, but my From address is elsewhere.  How is my home address
> supposed to know what IP address I'm using at any particular point in
> time?  Forcing me to forward all my mail through my home network just
> means more latency when they get clogged.  Worse, I've got _multiple_
> addresses that I use -- how is my mail agent (UA or TA) supposed to
> know how to forward the mail?

Or use a different From: address for the network you are currently on, 
and use the Reply-To header to point to your real email address. I imagine 
that once domains become authenticated, then ISPs will start to do 
user-based authentication. Therefore, if you're using 
green@mindspring.com's Internet account, then green@mindspring.com would 
be forced by MindSpring to be the From: address for all outgoing mail from 
your particular IP. Which is, actually, correct; the email IS coming from 
green@mindspring.com's connection/computer. Then set the appropriate 
Reply-To field.

David Green
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