Email Formats
{
"mx": [
"5 east.smtp.mx.o365.serverdata.net."
],
"spf": [
"v=spf1 include:spf-us.emailsignatures365.com ip4:50.239.37.150 ip4:4.4.191.2 ip4:50.74.112.50 include:spf.protection.outlook.com include:spf.intermedia.net ~all"
]
}