It's not so much expertise you need, you need the mail services to "trust" your address with reputation. If other providers take the hard line that Microsoft ar

It's not so much expertise you need, you need the mail services to "trust" your address with reputation. If other providers take the hard line that Microsoft are taking now (550 refusals by default for unknown IPs) then using mail rely services like MailGun may be the only alternative for self hosting that only sends a few emails a year.