Hi, thanks for the posting. We run our own Exchange server, the hosting company has changed the MX record to forward all mail request to the public IP address where Exchange server is waiting to collect and handle the mail. Where would the PTR record be stored? Would this be with the hosting company...

Hi, we have sbs2k and exchange has been set up and runs absolutely fine both for internal/external and inbound/outbound emails. The problem we get is when we try to send emails to a particular address, the user sending gets the following email back to them within seconds: Internal domain abc.co.uk t...