Tony Hain wrote: > This document is not the place to fight spam. right. > Until all the implementations remove > fall-back to A, the correct behavior is to also fall-back to AAAA. People > (particularly the apps dev & support communities) are having a hard enough > time getting their heads around even thinking about IPv6 that making your > proposed procedural change is insane. Whatever reasons people have for not > implementing MX will not change just because they are deploying IPv6. I keep trying to understand why the SMTP use of AAAA records should be any different than its use of A records. Haven't heard a solid explanation, nevermind seen consensus forming around it. d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net _______________________________________________ IETF mailing list IETF@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf