Copywriting Powerful Email Subject Lines to Re-Activate Your List Top of the morning to you, good Sir/Ma’am! Let’s kick off the weekend with some unusually powerful stuff. Innocent-looking maybe, but DEADLY powerful. Let’s get straight to it. These are some of the MOST powerful email subject lines I’ve ever seen, created or dared to run: 1. Written by Juho Tunkelo February 7, 2014February 7, 2014 Saving Bookmark this article Bookmarked