On Mon, 2009-09-07 at 11:50 -0400, Sahil Tandon wrote:
> > You should not accept mail for invalid recipients. Use existing > functionality to build a cache/database of valid recipients "on the fly". > See: http://www.postfix.org/ADDRESS_VERIFICATION_README.html#recipient We have no way of knowing if the recipient address is valid or not as we are only acting as a relay for the final destination. We cannot build a database of recipients on the fly as that information is held on the various servers of our clients, to which we do not have access. -- thorNET Internet Services, Consultancy & Training www.thornet.co.uk