Email marketing testing - what and how often

The fact is that most email marketers simply don't test enough. You should be split testing such things as subject lines and calls-to-action. That's just the start, what else should you be testing with your campaigns and how best to do it? Kelly Lorenz email marketing strategist of Bronto and Nathan Maxwell, eComm Marketing Manager at Delta Apparel will join us to put testing to the test and answer your questions!