My understanding matches Dave's. The i= value is an opaque token which for purely historical reasons has to look like an address in a subdomain of the d= domain.
>I've asked the client why they chose that, we'll see what they day. "Huh, that's what the code does. Should it do something else?" R's, John _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
