Vernon Schryver wrote: > > If a complete stranger is the sender of an incoming message, then > crypto keys are irrelevant to determining the message is unsolicited > bulk. No. In PGP, for example, I accept a key based on who signed it and when. If I can trust the signer(s), I may use a key from a stranger. > The PGP mantra that a good key does not imply that the sender or the > message is good applies here. Define "good key" and you'll define what the key is good for.