Most email marketers aren't failing because their product is weak or their copy is bad. They're failing because they're sending the same message to everyone and calling it an email marketing campaign. With inboxes receiving an estimated 376 billion emails a day in 2025, generic blasts don't just underperform; they get ignored.
The good news is that email still delivers a higher return than any other digital marketing channel, averaging $36 to $42 for every dollar spent, according to data from Litmus and HubSpot. The gap between average and high-performing campaigns comes down to a handful of tactical decisions. Here's what separates them.
