Copy on the front of the envelope remains the tried-and-true method for most mailers to reach prospects.
It’s where you find teasers, offers, deadlines, personalized data, etc. — and these approaches run the gamut, from oversized formats with scarcely any copy/images to smaller efforts that are covered with copy and have full-bleed images.
But there are two tactics with regard to the outer envelope (OE) that marketers increasingly are exploring.