Friday, May 1, 2020

Exchange Server 2013 SMTP Relay via F5

Hi,

We are trying to use two CAS servers to load balance all internal application relay. he is the problem I have run into. All connections made from F5 automatically connects to the default receive connector rather than the custom receive connector. The only way we can connect to the relay connector from the F5 VIP is if we allow 0.0.0.0-255.255.255.255 on these connector. With anonymous relay allowed we cannot allow open relay on this VIP. Is there any way we can make F5 to use the correct connector.

BTW , SNAT enabled for VIP.

Thanks



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