greylisting?

[Alex Neuman van der Hans]

Matt Hampton wrote:
> You can run both together, as I did, but I found that the added value
> given by greylisting was not significant enough for the overhead (or the
> complaints from users for the delay).
>   
Perhaps you could have set a different delay value? A different default, 
or a different default for *some* users? See the points I tried to make 
in an earlier message in this thread.