How to set up a competition through email marketing By EmailGarage on 2 August 2012 in Email Marketing, Opt-in, Tips “We need a bigger database”. “Well, let’s set up a contest then…”. Chances are that you’ve heard this conversation in your own company before. Contests are indeed great drivers to grow your database, given that they are treated with caution. Nothing leaves a worse taste in your mouth than a poorly constructed contest.