In your view, v6 must tunnel to v4 to exchange email. This suggests a
need for translation services to deal with those not prepared for v6. :^)
No tunnels, gateway. The MTA speaks v6 to the local SUBMIT and POP
users, and v4 to its SMTP peers.
Yes of course. But a gateway will likely bridge between v6 and v4
through a tunnel, which could be offered as a service.
No, a gateway will talk to a v4 network for the SMTP and a v6 network
for the POP and IMAP.
How would one vet email sources over v6 from other geographic regions?
Personally, I wouldn't even try.
I'm surprised, because you're not a fuddy duddy. v6 makes it easier for
SOHO configurations to obtain unpolluted static addresses.
Maybe I'm a mean old person, but I have no interest at all in making
it easier for people who don't know what they're doing to set up a
mail server.
Authenticated domains offer a basis for reputation that can be applied
uniformly against either v4 or v6 sources.
Right, so we agree that v6 mail is useless.
R's,
John
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