Forwarding Mail To Exchange 2013 DAG

Hi,

I have two exchange 2013 servers setup in a DAG.

DAG ip is 192.168.1.1
exchange 1 is 192.168.1.2
exchange 3 is 192.168.1.3

I want to filter all inbound mail using two mailmarshal servers I have setup on the same network.  My question is, should I forward directly to the exchange DAG ip or to both of the exchange servers with the same preference? there will be 4 databases, split between each.
ts11Asked:
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Gareth GudgerCommented:
DAGs are purely for the database itself. Not mail transport.

You will need to come up with another way to load balance your SMTP traffic. You will need to forward to each Exchange servers IP. You could use a load balancer, or, some message hygiene appliances/services may load balance SMTP traffic for you.

Check out Paul Cunningham's article on the different pros and cons of SMTP load balancing methods.
http://exchangeserverpro.com/issues-with-load-balancing-smtp-traffic/
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