[lug] linux firewall, popup windows spam blocking

[D. Stimits]

Bear Giles wrote:

> Scott Herod wrote:
>
> > I saw one proposal that would be someone difficult to implement since
> > it would require infrastructure improvements but which would not
> > require any legislation.
>
>
> In terms of email spam, there is a fast-tracked proposal that should
> largely eliminate this spam once it's implemented.  DNS will be extended
> to include "reverse MX" records - the idea is that if I get mail from
> "example.com" I can hit the DNS servers to get a list of IP addresses
> authorized to send mail from that domain.

Oooohhh...I'm drooling for this one already :P

D. stimits, stimits AT attbi DOT com

>
> You wouldn't necessarily reject this mail immediately, maybe the DNS
> records have been updated but the change hasn't propogated yet.  But
> even a 5xx error would keep the messages out of the mail queue.
>
> By itself, this wouldn't eliminate spam.  But it would remove a huge
> chunk of it, and change the characteristics of the spam that is
> received.  Companies with compromised systems would not be able to hid
> behind the "somebody is impersonating me" defense.
>
> > If you want to send me email, attach 1/100'th of a cent.  I'll 
> gladly pay
> > you the same to accept email that I send.
>
>
> That's too micro.  I've heard numbers around 5 to 10 cents, configurable
> by the recipient.  For personal accounts limited to close friends and
> families to tariff could be as high as a buck.
>
>
>
>
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