Sales Lists (D&B) and prospecting through e-mail and mailers.

Sorry, I just saw this.  Surprised no one else chimed in yet. 

I use constant contact for emails.  This is my own personal account.  I have 70 contacts (email addresses on that list). Most are existing, however 25% are clients that are not doing business with me.  Once a month, I develop  the "newsletter" for them.

I put in four articles/blogs that I found interesting on the web, such as business tips , IT stuff, back up, etc.  I also then put in a snippet about one of our services that I like to highlight. 

It works, on average I get at least one lead for something.  Nothing big yet, but I'm still working it.  On average I have a 47% open rate and 28% click through.  That's pretty good numbers.

Mailers......, sigh....., I send at least 20 per month to net new accounts., Just wish I had more time to follow up on them properly.  Mailers work as long as you follow up, they may not work right away, but over time it will pay off.  No one gets mail anymore?

Personally, I'm concentrating more on building that email list and will move my email campaign from once a month to twice a month this year.  The campaign works better because you can track who is opening and who is clicking through.

Hope this helps