gascione wrote: > We host approximately 3500 domains. We use three inbound exim4 relay
> servers to handle inbound mail to our primary mail servers.
>
> Prior to using greylistd we delivered on the average of 2.5 - 3.5
> million mail messages/week. Averaged about 500k per day.
>
> Since using greylistd we deliver approximately 40k to our customers/day
> or approximately 280k/week.
>
> Again, no complaints so far, just compliments.
>
>
> and are your clients really satisfied with 2-4 hours delays when
receiving mail from some MTA-s with badly configured retry times ?