Re: Google threatens to break Gmail

> For better or worse, we've got a perfectly good, standard, way
> of doing that when the list is to be treated as the sender.
> That would be to ask developers of list software to use
> Resent-From.
ARC adds a cryptographic chain of signatures adopted from DKIM.  I suppose 
you could use an extended version of Resent-From but it'd amount to the 
same thing.
Regards,
John Levine, johnl(_at_)taugh(_dot_)com, Taughannock Networks, Trumansburg NY
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