Graham Murray wrote:
John Rudd <[EMAIL PROTECTED]> writes:

However, it still leaves the problems of:

1) A user sends me a technical question.  I answer, and get back a
Challenge, forcing me to jump through hoops to get their answer to
them.

That sounds like a very badly designed system. While I do not like C/R
systems so would never implement one, surely it is only common sense to
expect responses to emails which are sent out and therefore to accept
such responses without issuing a challenge.

I agree. But the proposed design didn't mention whitelisting the recipients of your own outbound traffic. And there are C/R systems that are deficient in this area.


But, there's also the simple case that the recipient of the message might not be the person who replies to it. You might send a message to [EMAIL PROTECTED], which is a mailing list or multi-delivery alias, and get an answer back from [EMAIL PROTECTED] ... same problem, but not easily whitelisted.


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