Maybe I should make it more clear: you send a question to sendmail.org,
you can get an answer from esmtp.org, some university, some Unix
vendor, some other domain...
Hence your original mail must already include a "token" which allows
the reply to go through without depending on the sender address
(domain). The simplest way would be to allow mail with
Subject: Re: your original subject
through... (hence "your original subject" should be a bit more
descriptive than "Hi" or "Help"...)
Oh, I got you. And yes, you have a good point.
This could simply be worked around by having an additional header line such as:
UserID: ArtPollard_3448558020
This user ID could then be added / used in all the e-mail clients that I use.
Then when the whitelister whitelisted me for passing the Turing test it
could key off of that in addition to my regular e-mail address.
It does become more complicated when I send a letter to you at:
ca+asrg(_at_)esmtp(_dot_)org
and my mail client automatically whitelists: ca+asrg(_at_)esmtp(_dot_)org but you
choose to reply from a different e-mail address. Even so, I think that
this could reasonably be able to be worked around in most situations. (For
example, the address: ca+asrg(_at_)esmtp(_dot_)org, could be added to the other header
line for the whitelister to key off of in addition to the address you
replied from).
Furthermore, I don't think that this would be / is the norm. I think most
people have a primary e-mail address they tend to work through. True, at
one point, I had about 11 different e-mail addresses but I typically only
worked through one or two of them.
-Art
--
Art Pollard
http://www.lextek.com/
Suppliers of High Performance Text Retrieval Engines.
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