Nick Levinson wrote: > I think you didn't mean domain. In that case, the catchall address > encourages delivery. I'm looking for a guaranteed bounce, for test > purposes, at any email service provider. Well know addresses tend to create opportunities for DOS. Two other issues, such an approach would make it easier to evaluate what criterion a system is using to accept mail, which many people obviously are reluctant to do. Secondly forging to sender produces the opportunity to DOS a third-party. > If you did mean domain, domains like example.com would give a > different result than sending to a real domain. > > The same address at any provider would be better. > _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf