The technical advantages of using the AMP framework in your email strategy are obvious. Yet there are some not-so-obvious drawbacks to depending on Google's proprietary technology. You can learn all about the pros and cons of AMP for emails it in this excellent in-depth article on CXL. In other news: here's an excellent and detailed recap of how to manage email re-targeting on Reddit. But what's the point of squeezing all the juice of your email marketing budget if the messages can't get through? Maybe you should look up this checklist of common email deliverability issues and how to get around them.