> I don't know whether this was discussed on this mailing list before.
> I just subscribed and would like to hear your opinion about
>
> http://www.ietf.org/internet-drafts/draft-danisch-dns-rr-smtp-03.txt
Bad idea, like every method that prevents me from using "From:
bortzmeyer@localhost" (work address) when I'm at home and connected
via my IAP Nerim.