Re: [Asrg] An Anti-Spam Heuristic

["John Levine" <[e-mail]>]

>after tens of seconds) or when they are (greylisting in particular really
>breaks active mailing lists, by reordering discussions into a fairly random
>order).

Sounds like a badly broken greylister.  Mine still deters a remarkable amount
of spam, but since it whitelists every IP that's retried, its effect on normal
mail is quite tiny.