>  The notion that email authentication has helped reduce spam is completely
>  unsubstantiated by actual practice.

Which bit of text in the document are your referring to?


>  Email authentication isn't a weakness that is exploited by spammers.

But the lack of accountability for message senders IS.


>  And lastly, it seems inappropriate that such a draft would be proposed
>  with language about open relays without seeking the input of open relay
>  operators such as Av8 Internet. Av8 Internet is one of the very few open
>  relay operators that is willing to publicly discuss these operations.

There is a strong rough consensus in the email operations community that open
relays -- MTAs that accept mail from any source on the open Internet, when it is
directly destined to go back out to the Internet -- prevents providing
reasonable levels of message sender accountability.

That rough consensus has been in place for quite a few years.


>  Had anyone bothered to ask, I would have reported that open relay abuse

The fact that attackers are not trying to exploit a particular weakness right
now, although they used it heavily in the past, does not justify leaving the
weakness in place.


  d/
  ---
  Dave Crocker
  Brandenburg InternetWorking
  +1.408.246.8253
  dcrocker  a t ...
  WE'VE MOVED to:  www.bbiw.net



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