> Then it would be OK to implement it. The very best would be to do the > same I do on my mail server, where users can individually choose > greylisting or not for personal mail to them, by a settings file in > their home directory. But if a strong majority wants greylisting, it > is OK to just do it on all mail (except postmaster@, maybe).
Well, if per-user settings are possible, then it would be a *very* valuable feature to have. That would certainly allow avoiding concerns like yours (or minimize them as much as possible). Dunno if that is possible with Pierre Habouzit greylisting system...Pierre? --