Yeah, you’ re wrong because the company are a bunch of developers, none DevOps, I know how the mail is working, it’s a third party service, also as the SMTP Server which we rent from third party also, but lacks authentication/separate accounts

And at least I know, this subreddit is to talk about tools right? and I don’t know you reading capabilities, but I was looking for some Gui tool, not just a single relay nor a complete mail server