Investment in the Email Ecosystem Last week, my colleague George Bilbrey posted about how (turns out β shocking!) email still isnβt dead yet. Not only is he right, but the whole premise of defending email from the attackers who call it βlegacyβ or βuninterestingβ is backwards. The inbox is getting more and more interesting these days, not less. At Return Path, weβve seen a tremendous amount of startup activitiy and investment (these two things can go together but donβt have to) in in front end of email in the past couple years. Iβd point to three sub-trends of this theme of βthe inbox getting more interesting.β First, major ISPs and mailbox operators are starting to experiment with more interesting applicationsβ¦