Milter-greylist

--- In milter-greylist@yahoogroups.com, "philippeake" <philip@...> In emails, I see:
> 
>         X-Greylist: Delayed for 00:26:40 by milter-greylist-4.2.3
>         X-Greylist: Delayed for 00:21:04 by milter-greylist-4.2.3
>         etc.
> 
> Why?

That is the same tuple trying to send the email after getting a 30-mins delay with greylist. They get a 30 mins delay default. If they try to send the same email after 3 mins 20 secs, they will get: X-Greylist: Delayed for 00:26:40