Rodrigo Barbosa wrote:
On Tue, Dec 06, 2005 at 10:10:17AM -0600, Rex Dieter wrote:
That's not greylisting.
The only definition I've seen is at http://greylisting.org/
Oh, I see.
I would not call that greylisting, but it is a nice idea.
The explanation at above link is exactly what greylisting is. The thing you described (where confirmation from sender is needed) is not greylisting.