Published onJuly 25, 2025📩 Inbox = Income: 8 Ways to Increase Your Revenue with Solid Email Infrastructureemail-infrastructureSaaS-growthdeliverabilitytransactional-emailisend.aiMost SaaS teams ignore email infrastructure until it breaks something crucial — like onboarding, billing, or trust. Here’s why your email stack should be treated like a product layer, not just a backend utility.