Also built something very similar - https://ephemeralpostal.com https://ephemeralpostal.com Comes with a small API so your integration tests can actually check

Also built something very similar - https://ephemeralpostal.com https://ephemeralpostal.com Comes with a small API so your integration tests can actually check the contents of emails that were expected to be sent out. Did a Show HN a while ago with more details - https://news.ycombinator.com/item?id=40590670 https://news.ycombinator.com/item?id=40590670