On Mon, 27 Nov 2006, Jasper Bryant-Greene wrote:

Just an observation: if ISPs are planning on introducing measures such as hardware spam filters that drop connections without the standard SMTP response code, or greylisting, or similar measures likely to have widespread effect, a simple post to this list detailing what is about to happen would probably save a lot of people a lot of time :)

And/or they could just answer postmaster@, like good little mail admins. --David