使用醒目的主题行提高电子邮件的打开率。 让电子邮件主题行既简短又引人注目。 51% 的电子邮件在移动设备上打开，不要忘记查看电子邮件的移动版预览！ Not just a pretty interface "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula 尝试不同的电子邮件主题行样式，找出打开率最高的样式。 不要忘记在电子邮件中添加有趣、相关的号召性用语按钮。 "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia