If you're looking to add some failover options for your outbund SMTP delivery, keep reading...  The scenario is one where you have a Domino server that can utilize two or more SMTP Servers as its next hop out to the internet, perhaps an AV or email security gateway.  It's not readily apparent whether Domino can direct email to more than one server or not.   However, there is a way do this, in your Configuration document under Router/SMTP>Basics:



They key is that you separate your 2 outbound mail servers with a comma.  If you enter them on separate lines it won't work.  With this configuration in place, Domino will alternate delivery between each host!