Re: portable e-mail, now Trying to do too much (was Re: the introduction problem, etc.)
John R Levine <johnl@taugh.com> Fri, 20 May 2022 00:37 UTC
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Date: Thu, 19 May 2022 20:37:04 -0400
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From: John R Levine <johnl@taugh.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>, IETF general list <ietf@ietf.org>
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Subject: Re: portable e-mail, now Trying to do too much (was Re: the introduction problem, etc.)
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> > 1993 wven though it's gone through a whole lot of different providers > > in the past two decades. Mail domains are extremely portable. > > Right. Mail *domains* are extremely portable. > Now, explain to me how to move mcharlesr@gmail.com to yahoo or protonmail.com? > ".forward" used to work, but DMARC policy makes this impossible now. These days everyone supports IMAP so if you have enough access to set up a .forward, you have enough to set up IMAP access in your mail client. I realize it's not exactly the same thing, but for most people it's at least as good since it keeps the two mailboxes separate. RFC 3482 says that they considered and usually rejected forwarding for phone number portability (it's called Onward Routing) and it's a good thing that they did. The plague of junk robocalls with faked calling info is similar to the mail problems that provoked DMARC, and STIR/SHAKEN would have the same problems that DMARC causes if there were a lot of forwarded phone calls. Luckily for all of us, there aren't. Regards, John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. https://jl.ly
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