I remember we had some great copy writers when we started out , but our email marketing wasn't getting the traction that I hoped. I just started to write emails like I was speaking to some one and I also added some videos in to our new letter follow up's where people could see who I am. Ever since then we have had see great open rates and our leads are getting that promotional email every couple of months.
I think most people found our site from our videos and my blog which they way I write is more like a conversation , I think people knew right away that I didn't write those original emails in our newsletter and that's why the stopped opening them.