> On 25 feb 2015, at 19:56, Sam Hartman <hartmans-ietf@xxxxxxx> wrote: > > I disagree that SRV or MX introduces similar complexity into standards. Sam, I feel I need to understand this. For MX, you have to start with a URI like this: mailto:paf@xxxxxxxxxx One look up the MX for frobbit.se and get mail.frobbit.se One then open an SMTP connection to mail.frobbit.se, and can use TLS where the cert is compared to mail.frobbit.se. To me that is a change of a domain name given data in DNS. But there must be something I do not understand. Please explain. Patrik
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