If a person is trying to self-host their own MX and doesn't want to get into the details of configuring SPF, DKIM and DMARC, I would highly recomment they go wi

If a person is trying to self-host their own MX and doesn't want to get into the details of configuring SPF, DKIM and DMARC, I would highly recomment they go with something like gsuite or office365 instead. Or some other managed email hosting provider that will do the DKIM setup for them.