The Best 1615 Collab Email Examples in 2026

Collab emails announce a partnership between two brands or a brand and a creator, so the design has to make both identities feel equal. Watch how the strongest examples balance logos, lock up names with an “x,” and blend two color palettes without one swallowing the other. The pitfall is a lopsided layout that reads as one brand borrowing another’s clout. Co-branded product shots and a single shared CTA keep the story focused.