Re: e2e

[Iljitsch van Beijnum <iljitsch at muada.com>]

On 22-aug-2007, at 19:57, Keith Moore wrote:

> > I have no problem breaking bounce/redirect. Yes, it has its uses, but
> > so do open relays, which we don't have anymore. The current levels of
> > mail abuse means that it's necessary to throw away a little baby with
> > the bathwater to keep the toxic waste out of the bath.

> sorry, this is a nonstarter.  being able to set a forwarding  
> address is
> extremely important, and breaking Sender is indefensible.  (Sender is
> useless unless it preserves the original identity of who or what sent
> the message.)

Obviously life is a bit more complex than "add PKI and signature to  
From: and stir". If I get a letter addressed to me from the tax  
people, I'll take it, regardless of how it happened to arrive. Junk  
mail on the other hand (the paper variety) will meet the inside of my  
paper bin without delay if I receive it through the mail, but if my  
boss gives it to me and asks me to look at it, I look at it.

With many of the current protocols, SMTP being a prime example, there  
are very many ways to do things that weren't foreseen, or at least  
not specifically accommodated, in the original protocol. That was  
great because it allowed innovation. Unfortunately, the most  
innovative people around these days are the spammers and fishers, so  
these days, when we come up with new protocols, we need to  
specifically allow everything that's good so implementations/users  
can reject everything else. I.e., a new mail protocol will have to  
address things like forwarding and mailinglists explicitly.

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