nanog mailing list archives

Re: Outgoing SMTP Servers


From: Dave CROCKER <dhc2 () dcrocker net>
Date: Sun, 30 Oct 2011 21:41:23 -0700



On 10/30/2011 8:36 PM, Brian Johnson wrote:
So you support filtering end-user outbound SMTP sessions as this is a means to prevent misuse of the Commons*. Correct?


If it is acceptable to have the receiving SMTP server at one end of a connection do filtering -- and it is -- then why wouldn't it be acceptable to have filtering done at the source end of that SMTP connection?

As soon as we step upstream this way, stepping up earlier still is merely a question of efficacy and efficiency.

d/
--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net


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