On Sun, Jul 12, 2009 at 05:45:37PM +0200, Ralf Hildebrandt wrote: > * Keld Jørn Simonsen <k...@dkuug.dk>: > > Hi > > > > I am fooling around with my postfix, and I wanted to reject mail without > > a valid MX record. How to do that? > > reject_unknown_sender_domain
That does not reject mail, if the A record is OK. I am already using that. Best regards keld