That’s how many people in the US have signed up for the USPS Informed Delivery Program. This makes up about 7-10% of total US mail recipients (300 million+).
But what is Informed Delivery? Those who sign up for Informed Delivery get daily emails from USPS, showing a preview of what’s on the way to their mailbox.
And the impact among the people who opt in is significant. In fact, Informed Delivery emails get open rates as high as 63%. When you compare that to the 15% average open rate for other emails, it blows those numbers out of the water.
So what does that mean for marketers?