密切关注电子邮件的打开率，以分析和改善效果！ 有人在读这篇文章吗？ 尝试不同的电子邮件主题行样式，找出打开率最高的样式。 “PosterMyWall has a variety of different email templates that makes the job a whole lot easier than usual.“ - neokolmann 在电子邮件主题行中使用表情符号来增加创意以提高打开率！ "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula [在此处插入有趣的加载文本] One Mississippi, two Mississippi…