>> That's actually what Paul Vixie does. He sends a real reply
>> quite promptly too but at least, if he doesn't, you've had an
>> explanation of why. Quite a polite setup really.
>
>Eric Allman does the same thing, i believe.  It might seem "polite",
>but if you converse often with someone who does it, it becomes
>annoying _rather_ quickly.

Vixie's account only sends you one a week.