have you tried snat automap under the exchange CAS virtual server setting? No. Where do I find that?
tmsh list ltm virtual:
ltm virtual mla-exchange_MM_Receive {
destination 10.1.2.x:smtp
ip-forward
ip-protocol tcp
mask 255.255.255.255
profiles {
fastL4 { }
}
source 0.0.0.0/0
source-port change
translate-address disabled
translate-port disabled
vlans-disabled
}
tmsh list ltm pool
ltm pool Pool_Forward_2525_to_25_Exchang {
load-balancing-mode least-connections-member
members {
10.1.2.x:smtp {
address 10.1.2.x
}
10.1.2.x:smtp {
address 10.1.2.x
}
}
}