On May 13, 2015, at 2:28 AM, Tony Finch <[email protected]> wrote: > My understanding is that the smtps port was allocated, then in a fit of > panic the IETF decided that allocating N*M ports (N protocols, M security > layers) would be a disaster and cause horrible security layer negotiation > problems, so smtps was un-allocated and STARTTLS was invented. (IANA > doesn't record when imaps and pops ports were allocated but I think it was > before smtps.)
This does not match my memory of what happened, but I totally admit that I was prejudiced by the excitement of creating STARTTLS. Regardless, the situation for SMTP is very different than for DPRIVE, where we are expecting the client to be connecting to just one server for a long period of time, namely until their network settings change. --Paul Hoffman _______________________________________________ dns-privacy mailing list [email protected] https://www.ietf.org/mailman/listinfo/dns-privacy
