[ietf-dkim] Underscore considerations

Paul Hoffman phoffman at proper.com
Thu Jun 8 17:00:44 PDT 2006


At 4:35 PM -0700 6/8/06, Jim Fenton wrote:
>Let's try to construct the problem case:  Suppose someone managed to
>register _domainkey.com.  They could then publish keys in that domain,
>and sign arbitrary messages on behalf of .com.  That's obviously a Bad
>Thing.

Er, why? It is only bad if someone signs messages with "d=com", which 
is unlikely.


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