There are couple of scenarios involving MX records.
1. You
want all emails for your domain to go to some outside MX, and no email
to be received by your hosting server. If this is the case, you can
change the MX from your control panel.
2. You want to continue
to receive email at your hosting server but all incoming email to go to
those MX for filtering purpose, and that filtering service will
forward the mail to your hosting server. For this purpose, you will
need to open a support ticket.
3. You have multiple MX records that you want to add to your dns zone. In this case, you will need to open a support ticket.
Please
advise accordingly in the support ticket that whether (a) you are
using those MX for filtering purpose or (b) want to forward all emails
there and will get it from there, so techs can make the changes on the
server accordingly.
Note: After MX changes, please allow a couple of hours for the dns propagation.
Powered by WHMCompleteSolution