You are wrongly assuming all must clients relay via another location. (yes I know, you say reality, I say morality)
As I pointed out in another context, an ISP can trivially create an EFF-compatible spam filter by hijacking all port 25 sessions to its own mail server, which does STARTTLS.
There are problems that need solving. This is not one of them. Regards, John Levine, [email protected], Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. _______________________________________________ dane mailing list [email protected] https://www.ietf.org/mailman/listinfo/dane
