This is a guest post from Megan DeGruttola at Stackla. For as much as our digital landscape has evolved over the last couple decades, email remains one of the most effective channels for marketers across all industries. Yet every year people’s inboxes get more crowded and their brand expectations continue to grow. Not to mention that companies send more and more emails annually—and more emails means more they need more images to support that scale. Since 65% of marketers struggle…