Email marketing software can be an amazing tool in your marketing arsenal, and can bring about great results. But those results can only be attained if you use it properly. Every email marketing software on the market today will prompt you to enter a 'subject' for your email. Even though your subject may only be a few words (a fraction when compared with all the content in your actual message!), it can be the make it or break it factor for your email marketing campaign. This article will outline what the email subject is, various pitfalls to avoid, and how to select a good subject for your campaign.