In the case you have your domain registered with us but your need to direct only the e-mails to an external provider, all you need to do is to change MX records in the WebAdmin interface. This record will allow your to connect your e-mail services with your domain.
1. To set external MX records log in to the WebAdmin
2. Select your domain in the Services tab.
3. In the left menu select MX under the DNS settings
4. Select Edit next to the records to new values
If your provider has more than 2 records, you can add new record by selecting Create new record