Gordon,
As you probably know there are Lots of Guru types that you can contact on the subject...
But Here's a Good one right up your Alley...
Might also give a few others some ideas...
It might be FREE but I'm sure Gary will Try and Sell you something...
From Gary North...
My Free Course Teaches the Secrets of Direct-Response Advertising Combined with Web-Based Autoresponders.
Gary North...
To show you how an autoresponder marketing campaign works, I have written a 24-part course in marketing with autoresponders. This course will be sent to you ...
http://www.garynorth.com/public/department33.cfm
Phil