Email Routing problems

Hi Everyone,

I have a Hyper-V Host, inside is one VM (Exchange2013) as planned we are planning to use DAG on our exchange.

So I created the VM, with 2 NIC port (MAPI - xx.xxx.xx.13 / Replication - xx.xxx.xx.11) 

Outgoing email is not working on the CAS, so I set my send connector to use smart host, which is our antispam, that is connected to our IBM Notes smtp.. So we now have outgoing email using exchange.

But upon checking the header, Exchange Server to Anti-Spam to Lotus SMTP to Recipient.

How can I solve this? what data should I provide to have the answer on this problem.

Thanks,

Mikey