In our last posts, we talked about the importance of e-mail marketing and how to put together an effective e-mail marketing campaign. However, there is one vital factor every e-mail marketing campaign must have. No, it is not graphics or unique content, nor is it having eye-catching headlines and a Call to Action, although all of those are important. Rather, it is having people to receive your emails.

This may seem to be an obvious element, but it is often one of the more difficult ones to do. After all, thanks to spammers, many people are not as willing to hand out their e-mail addresses, as perhaps they once were. Consequently, it can be difficult to build up an e-mail marketing list. To help out, here are 40 inexpensive, and relatively simple, ways to build your list thus making the time spent on creating those newsletters worth it: