"Dwayne C . Litzenberger" wrote: > > How far does the mail get before it bounces? (does it get to your ISP's mail > server?) It could be that your machine name is not a valid domain name, and > therefore DNS confirmation fails. Thanks for the reply - it does not get to the ISP's mail server but stays in local machine, and gets bounced back to user who sent it. I did try exim but had exactly the same problem, so installed smail instead.