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Don_22992's avatar
Don_22992
Icon for Nimbostratus rankNimbostratus
Dec 09, 2009

SMTP Load Balancing and Routing

I have two SMTP mail servers. I need to load balance them for an internal network, so that they may both send SMTP outbound. However, due to some application restrictions, I only want inbound SMTP to ...
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hooleylist's avatar
hooleylist
Icon for Cirrostratus rankCirrostratus
Jan 14, 2010
Hi Don,

 

 

I don't see a major advantage either way from an LTM perspective. If the servers need to see the original client IP address it's nice if you can set their default gateway to LTM. If you have clients on the 10.1.101.0/24 subnet using the VIP, then it would be better to have the servers on a separate VLAN. The removes the requirement to use SNAT and therefore allows you to preserve the original client IP address as the source of the connections from LTM to the servers.

 

 

Aaron