From time to time we run into marketers who think that they have deliverability covered because they have signed up with an Email Service Provider (ESP). You’ve probably even seen some ESPs that are promoting their very high delivery rates. This is confusing and misleading, because the ESP fully controls only one of the five major drivers of deliverability failures.
Major consumer mailbox providers and business filtering applications look at five key data points to evaluate the trustworthiness of incoming messaging streams. They are…read on