Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"20 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:mailgun.org include:spfref.jackhenry.com ip4:66.254.159.128/25 ip4:205.196.255.128/25 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:spf.us.exclaimer.net ~all"
]
}