I setup the site www.myincometax.ca with a DNS and MX record. I then later pointed the MX record for the site to another server (separate from the web DNS record). When I login to my webmail on the server that used to host the DNS and MX (now only hosts the DNS), and send an email to a user @myincometax.ca, I receive an error when trying to send the message (just says error when I use squirreloutlook). I then removed the MX record in ISPConfig and in the DNS manager, but it still doesn't seem to correct the problem. Is there anywhere else I should be deleting the information for the MX record?