Unfortunately, not all of your subscribers will engage with the emails you send them. The average office worker receives 121 emails a day, making inboxes a competitive environment for you to be seen. A couple of reasons why some people might not engage or open your emails include; content, frequency/time of sends and your subject lines. A study by Marketing Sherpa found that personalising the subject line can increase open rates by over 17%.   So here are 6 simple…