Re: RCPT TO: rejecting2004-05-26 09:56:58David Brodbeck <gull(_at_)gull(_dot_)us> wrote: I'm sure I'm missing something here. To be an effective DoS method, CBV would have to have a multiplier effect. [...] This is not entirely true. The problem with callbacks is that they come from hither and yon, making them effectively impossible to block, as opposed to one machine generating a zillion SMTP sessions. The amount of traffic is the same in either case, but one can be trivially stopped and the other can't. -- George Mitchell
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