Sent from my BlackBerry 10 smartphone on the Rogers network. Original Message From: John Levine Sent: Saturday, March 29, 2014 11:35 PM To: nanog@nanog.org Subject: Re: why IPv6 isn't ready for prime time, SMTP edition
>IF the overriding problem is due to an inability to identify and >authenticate the identification of the sender, then let us work on >establishing a protocol for identifying the sender and authenticating >the identification of the sender and permitting the receiver to accept >or deny acceptance of traffic by reference to that identification. We've got DKIM, SPF, S/MIME, and PGP. What more do you want? R's, John