Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"0 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:50.225.199.39 include:us._netblocks.mimecast.com include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com include:_spf.smtp.com -all"
]
}