It's worth going right back to the basics of setting SMART objectives. Email is often the get-out-of-jail-free tactic that marketers use when they're in need of uplift in sales or conversions. But, as the saying goes, act in haste and repent at your leisure. Marketers should take the time to set objectives for every email that are: Specific, Measurable, Achievable, Realistic and Timed.