Need an expert in setting up email services and bounce handlers etc

Here is the checklist of tasks
https://docs.google.com/document/d/18gkBckDM42Ts_j0IuAUMoN3Wz1bqbmXRo6hQZyBecXU/edit

Everything should be in a docker. Please only bid if you have experience in setting up custom postfix email servers