On Oct 13, 2010, at 1:59 PM, Mark Delany wrote: > It strikes me that a DKIM verifier is already well into the business > of 2822 semantics as it knows about headers, header labels, > continuation syntax, header/body boundaries and so on. > > In that light, taking an additional step wrt duplicate headers (or > malformed 2822 in general) is still in the same layer as the verifier.
I'm a little leery about going that far conceptually, but I'm happy with "any piece of code that verifies DKIM should do some basic 822 sanity checking too". Cheers, Steve _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html