[Mimedefang] temp failing - got code?

[Gary Funck]

> -----Original Message-----
> From: Rob MacGregor
> Sent: Wednesday, January 05, 2005 10:54 AM
>
> On Wed, 5 Jan 2005 09:38:30 -0800, Gary Funck <gary at intrepid.com> wrote:
> >
> > Would like to implement temp failing/grey listing along the
> following lines:
> >
> > - If haven't seen a given incoming IP address in a while, then
> temp fail,
> > for
> >   say about 1 hour.  If the sender doesn't just go away by
> then, then socre
> >   the mail per usual and let it through.
>
> This sounds similar to greylisting  - have a look and see if that does
> what you're after (I don't know much about greylisting).

Thanks. I looked quickly in the MdF distro, but didn't see anything
discussing
greylisting. Is there an implementation already generally available?