Server Water Sprinkler

[Mike]

I was wondering if someone could tell me how to send mail to one outgoing RehHat server, and make that server round robbin to 10 other smtp servers?  I mail about 250,000 emails a night, and the subscriber base is expected to grow 50 fold over the next 6 months and I am trying to gear up for it.  I just want to send 1 email to one server somehow have it grab the list off of a SQL database on the same server, and distribute it to the other 10 as load-balanced as possible for delivery.  Any suggestions.  I have like 70 different ideas on the whole project, but cannot think of a way to accomplish this paticular task.   Thank You, Mike