On Wed, Jun 20, 2012 at 9:11 AM, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: > On Wed, Jun 20, 2012 at 11:11:57AM +0200, Ralf Hildebrandt wrote: > >> I recently saw Exim reject/not deliver mail based on this old, expired draft: >> http://tools.ietf.org/html/draft-delany-nullmx-00 >> >> What ever became of that one? > > It never became a standard, but it is "practiced" informally. I > think it was a fine idea that got overshadowed by its more ambitious > (and in my view largely futile) cousins: SPF and DKIM.
Does anyone have Postfix configured to do this?
