John Levine <johnl@xxxxxxxxx> wrote:
> It appears that Michael Richardson <mcr+ietf@xxxxxxxxxxxx> said:
>> Keith Moore <moore@xxxxxxxxxxxxxxxxxxxx> wrote: > But even though it's
>> slightly cumbersome and a bit too expensive, > anyone can get their
>> own DNS name, point their MX records at a mail > service provider of
>> their choice, and change those MX records and
>>
>> No, that's not a portable (phone) email address. That's a new phone
>> number.
> Um, what? I'm using the same e-mail in the same domain I registered in
> 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@xxxxxxxxx to yahoo or protonmail.com?
".forward" used to work, but DMARC policy makes this impossible now.
> Technically it would not be hard to add a per-mailbox DNS lookup to
> SMTP, ignoring the detail that no two mail systems agree what a mailbox
> is. (Are bobsmith and bob.smith the same mailbox? Are bob and
Yes, that's a further complexity.
--
Michael Richardson <mcr+IETF@xxxxxxxxxxxx>, Sandelman Software Works
-= IPv6 IoT consulting =-
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