On 3/25/2014 11:18 PM, John Levine wrote:
3. Arguing about IPv6 in the context of requirements upon SMTP connections is playing that uncomfortable game with ones own combat boots. And not particularly productive.
If you can figure out how to do effective spam filtering without looking at the IP addresses from which mail arrives, you will be in a position to make a whole lot of money.
But, as always, I'm not holding my breath.
Is spam fighting really about SMTP? Or is it about abuse of the transport layer by (among other things) the SMTP? -- Requiescas in pace o email Two identifying characteristics of System Administrators: Ex turpi causa non oritur actio Infallibility, and the ability to learn from their mistakes. (Adapted from Stephen Pinker)