Email Formats
{
"mx": [
"0 ca-smtp-inbound-1.mimecast.com.",
"10 ca-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:4.172.64.204 include:relay.mailchannels.net include:ca._netblocks.mimecast.com include:mailgun.org include:pepipost.net include:spf.protection.outlook.com ~all"
]
}