MX records migration from Service Provider to F5 (LTM + DNS) 12.x

Hi Folks,

we are running F5 12.x (LTM + DNS) in our production for internet load balancing for inbound and outbound traffic. For outbound traffic , we are using LTM features and for inbound F5 DNS feature, now we want to hosts our MX records by F5 and stop hosting from service provider.

So, the SP will send all the ABC.com requests to the F5 (LTM+DNS) and F5 will have to do the resolution and forward to email server (Ironport). I would like to know how we can achieve this. I do not know how to create MX records for email servers on F5. Please advise.

Thanks