Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com a mx ip4:138.197.231.239 ip4:167.99.145.61 ip4:168.245.110.199 include:spf.constantcontact.com include:sendgrid.net include:_spf.neonemails.com -all"
]
}