有人在读这篇文章吗？ 密切关注电子邮件的打开率，以分析和改善效果！ 加入 400 万会员的队伍，制作令人惊叹的营销内容。 "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula 使用醒目的主题行提高电子邮件的打开率。 "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia “There are so many beautiful designs to choose from. I feel like a professional when I use it.” - Dr. Oberson 尝试不同的电子邮件主题行样式，找出打开率最高的样式。