Segment and Personalize : Each list segment should have appropriate and different subject lines. Segments that contain the same version of your email should also have a subject line tailored to the recipient’s interest. You do not want to use someone’s first and/or last name in the subject line and consider it a personalized email. In other words , avoid using a subject line like “Rountree, This I s Your May Newsletter” followed by generic content. Brand Your Subject Line : (another great Subject Line suggestion.) Use a consistent FROM address. Consider including the name of your company, usually in the beginning with enclosed brackets, so it becomes familiar to the recipient. Use a Consistent Style : Subject lines need to change with every mailing, however, once you find the style that works best, continue to use it. Ask someone else to write, edit or review it. You can also use a tool like check my subject line https://www.subjectline.com/ to see how it&