Update DNS Settings for using Microsoft 365 Email

If you're domain is registered elsewhere you'll need to update your DNS Records so your email will work correctly.

TypeNameData
CNAMEautodiscoverautodiscover.outlook.com
CNAMElyncdiscoverwebdir.online.lync.com
CNAMEmsoidclientconfig.microsoftonline-p.net
CNAMEsipsipdir.online.lync.com
MX@yourdomain-com.mail.protection.outlook.com (priority 0)
SRV_sip._tls.@Service= _sip | Protocol= _tls | Value= sipdir.online.lync.com | Priority 100 | Weight 1 | Port 443
SRV_sipfederationtls._tcp.@Service= _sipfederationtls | Protocol= _tcp | Value= sipfed.online.lync.com | Priority= 100 | Weight 1 | Port= 5061