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Forum Discussion

draco's avatar
draco
Icon for Nimbostratus rankNimbostratus
May 10, 2017

SMTP server-real ip with snat

Dear All   I have a query, we are trying to loadbalance smtp server , will be doing snat .We need to see the real ip. so if we are using smtp profile, we wouldnt be able to get the real ip right? ...
application delivery
BIG-IP
LTM
Ryan_80361's avatar
Ryan_80361
Icon for Cirrostratus rankCirrostratus
May 10, 2017

Unfortunately smtp doesn't support the xff header in the same sense as http does. You could try and do something fancy with the tcp payload, but ultimately it's probably easier to move the gateway for the network and remove snat.

 

Can i ask why you're unable to move the gateway?