Hacker News Reader

try http://www.constantcontact.com/index.jsp : it was free for 60 days - dont know whether they still run that offer.

I use ConstantContact for my email distribution at http://OnStartups.com. Has worked well for me.

Disclaimer: Gail Goodman, the CEO of ConstantContact is on the board of my startup. But, I was a fan of the company well before that.