Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:148.72.12.133/32 ip4:97.74.4.185/32 ip4:67.132.251.226/32 ip4:4.37.140.1/27 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.myconnectwise.net include:sendgrid.net include:mktomail.com -all"
]
}