#3090: Mutt removes In-Reply-To header field Comment (by Aron Griffis): {{{ Here's a tested patch which removes the single-@ check. I guess the question is just whether mutt wants to enforce the RFC on incoming message-ids, or if it's content that the message-ids it generates are compliant. }}} -- Ticket URL: <http://dev.mutt.org/trac/ticket/3090#comment:>