The subject line is a subscriber's first impression of your brand, but the success of those 50 characters goes far beyond the first touch. A successful subject line can lead to building and maintaining a relationship with your subscribers. A un-compelling or unsuccessful subject line can cause spam complaints, a lack of engagement, and eventually deliverability problems. It's important to understand why your users aren't engaging with your messages, and to ensure you are using the proper metrics to measure your email marketing success. Read more at DataValidation.com >>Permalink