DNS Settings external MX server

Hi everybody,
our company have a Peplink Balance 210 with 5.4.6 Firmware.

We need to set up an external MX server for ourdomain.com.
For example, we nedd this entry for Google Apps for Business works:

dig MX ourdomain.com
ourdomain.com. 3600 IN MX 1 ASPMX.L.GOOGLE.COM

But in Peplink DNS Server entries i can’t add A server “aspmx.l.google.com” for domain “ourdomain.com” because result is:

dig MX ourdomain.com
ourdomain.com. 3600 IN MX 1 ASPMX.L.GOOGLE.COM.ourdomain.com

How can i set up an external MX server for domain “ourdomain.com” ?

Regards,
Roberto

You should setup the MX records in Peplink DNS Server as similar as below image.


Thanks Chan, problem solved.

Regards,
Roberto