Using an email marketing solution to promote your products or services has become a very effective communication tool over the past few years. Not surprisingly, there are now many solutions to manage your email marketing, both hosted and in-house. Yet, thanks to spam, increases of such filters on both the ISP side and consumer side have made it very difficult to ensure messages are delivered directly into the inbox. The time and energy having to combat these filters along with high maintenance and licensing costs are making many companies rethink using in-house solutions.