It seems to work pretty well, it could be entirely self-hosted, but I like using a 3rd party service, mostly to make sure the emails are delivered and because I don't yet have my own self-hosted mail service (planning to start one soon, especially for such transactional emails that I receive myself and can make sure they don't arrive in spam).
It seems to work pretty well, it could be entirely self-hosted, but I like using a 3rd party service, mostly to make sure the emails are delivered and because I don't yet have my own self-hosted mail service (planning to start one soon, especially for such transactional emails that I receive myself and can make sure they don't arrive in spam).