"Guy Fawkes" <spare_the_rod@spoilthechild.com> schreef in bericht
news:45136287$0$19719$88260bb3@free.teranews.com.. .
> http://www.infoworld.com/article/06/...ighters_1.html
>
> It seems we are losing the battle against spam and that the Internet will
> ultimately be overwhelmed by spam. I've been walking around with the idea
> for a long time to amend the SMTP protocol such that you have to give
> permission to people to mail you (same as with IM), otherwise the mail is
> simply tossed.
>
> Any comments?

To elaborate a little bit:

The idea that there would be an addional command:

OPT-IN_REQUEST<SP>FROM:<SP><reverse-path><CRLF>

The SMTP server for the recipient would store the request.

The recipient would have to log in on the SMTP server to receive a list of
opt-in requests. Note that this means that everyone would have to log in on
both the SMTP server and their POP/IMAP server. Also the mail server for the
domain would have to store the OPT-IN_REQUEST queues and the list of allowed
senders, a fairly large overhead, but so be it.

The MAIL FROM command would be the same but the RCPT TO would have different
failure codes:

S: RCPT TO:Smith@pipex.com
R: 560 Not allowed to send mail to recipient.









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