Email, Lambda, Mailgun, Dynamo, S3
There is going to be a lot coming at you all at once in this post. This is a large project with a lot of moving parts; while I actually built this incrementally, we’ll just be building pretty much everything final-stage here (with a few exceptions). Take your time and read everything. We’ll be touching S3, Lambda, IAM, KMS, and DynamoDB services in this post.