On Tue, 21 May 1996, Timothy C. May wrote:

Traffic analysis will be quite easy to do, of course, as all mail sent to the persistent address comes out of the "disposable@foo.com" address. Q.E.D.

Yeah, but the attack model I was assuming was lawyers rather than intelligence agencies. The NSA could probably easily link the two together, but the Church of Foobar(tm) probably couldn't. They'd only have access to the logs on the ISP and the information you gave when you signed up, not the raw packets on the Net. Mark