Setting up HTTPS locally can be tricky business. Even if you do manage to wrestle self-signed certificates into submission, you still end up with browser privacy errors. In this article, Brad will walk you through setting up self-signed certificates and show you a nice little trick to quiet browser privacy errors.
Making HTML emails is just like building websites. The only difference is that layouts have to be constructed using <table>, CSS styles have to be written inline, and you have to support clients so out of date, they use Microsoft Word for rendering. So yeah, just like making websites, only infinitely worse.