Email just sounds like a regular service. Separate SMTP servers where you encapsulate all of your logic of email dispatch frequency, retries, etc has been prett

Email just sounds like a regular service. Separate SMTP servers where you encapsulate all of your logic of email dispatch frequency, retries, etc has been pretty standard for a long time. > encapsulate all of the email logic into a single place with a clean interface You can encapsulate and put stuff behind an interface with libraries too. This is not the value proposition of microservices.