How to make post come first in feedburner?

       Hi,I am working on and   using feedbuner for email subscribers. I want to make my old posts come along with today post of the feedburner email subscription.(Like today i need job posted before a month) As i am working on career blog it will more helpful for me.I already seen this in some of the blogs.If you know anyone give me the solution


Maybe you can use Email marketing services to send the older posts to newer subscribers.