On Wed, 2009-09-09 at 00:27 +0200, mouss wrote: > Steve Heaven a écrit : > > > > > the old: "try to pass to next, until final server accepts or rejects" > is n more acceptable. recipients must be checked at the "edge". > > postfix provides reject_unverified_recipient to help you for that > (assuming the next relay really validates the recipient).
That's the problem. Most of our clients that we relay mail for run Microsoft SBS Exchange which doesnt verify probes. It accepts mail for any user and sends an undeliverable report back to the sender. -- thorNET Internet Services, Consultancy & Training www.thornet.co.uk
