The Art of War of the Inbox alternatives and competitors

Five battle-tested principles that our team has learned the hard way over 13 years and 21,000 email campaigns — through the lens of Sun Tzu’s "The Art of War". Including: 🧨 Stop Fighting Fair 🧨 Vary Your Tactics 🧨 Use Spies 🧨 Check Your Biases 🧨 Know Your Enemy