So people are immediately going to chime in about what a pain ensuring good deliverability is. What always gets me is why all these "set up your own email serve

So people are immediately going to chime in about what a pain ensuring good deliverability is. What always gets me is why all these "set up your own email server" guides are so all or nothing. It would seem rather more pragmatic to receive email on your own server, but to outsource sending to Mailgun/Amazon SES/Mandrill/whoever. Then you only have spam filtering to worry about...