September 26, 2019 By Bettina Specht For every email you send, the subject line is one of the first points of contact with your subscribers. If it doesn’t catch your subscribers’ attention, then the chances of them opening your campaign are slim. With subject lines playing such a crucial role for the success of each email, it’s no surprise that email marketers put significant time and effort into crafting the perfect subject line. They are also the most routinely tested…