I think the requests and the results (process and email) are ephemeral, so they do not need to be kept indefinitely. Event sourcing solves the problem when you need to keep all the previous states of the entities (kind of), I don't think this is the case. The requests are unique and do not change either need to be kept for longer period of time.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.