Ian Eiloart wrote: > That seems sensible to me. So lists should not forward email that they're > about to render 'discardable' by breaking the signature. Instead, they > should reject (5xx) or bounce (DSN) the message. Presumably, a bank wants > to know if it has a bad email address for a customer.
Yep. > Of course, if you > aren't going to break the signature, or are rewriting the From: address, > then it's OK to forward the email. Probably. > Oh, and if the list sees incoming mail > already has a broken signature, or none at all, then it should be discarded > by the list software (or its MTA). Yep. > The treatment of email with authors in a domain with 'dkim=discardable' > policy seems absolutely straightforward. What's more complicated is the > treatment of email with authors in a domain with 'dkim=all' policy. There's > no guidance about handling such mail. Agreed; we need more operational experience here. -- J.D. Falk Return Path Inc http://www.returnpath.net/ _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
