ietf-asrg
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Re: [Asrg] Quarantines and block lists

2007-01-29 08:16:26
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Dan Oetting wrote:

On Jan 27, 2007, at 6:43 PM, gep2(_at_)terabites(_dot_)com wrote:

Here is my proposal. I'm sure I haven't thought of everything so 
please tell me where it breaks or how spammers are going to game it. 
The goal is to stop the majority of the spam while not loosing ANY 
legitimate email (broken MTAs don't count).

To begin with, crude IP blocks will ALWAYS lose legitimate mail,
because a single IP address can send both legitimate and
zombie-generated mail.  I propose that NO ISP-based software will be
capable of differentiating one from the other... but the recipient
possibly will know how to do that, at least for familiar senders.

I guess I didn't think to include a definition for "Lost Email".

Lost Email is any email that is sent but not presented to the user and
does not generate a DSN to the sender. When referring to a receiving
system loosing email it is assumed that the sending system is following
standard procedures.

By that definition, our filters NEVER EVER lose an email.

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