Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx include:spf.protection.outlook.com include:mktomail.com include:mailgun.org include:spf.exclaimer.net ip4:131.239.38.0/24 ip4:194.74.158.10/29 ip4:207.10.34.128/25 ip4:34.197.164.167 ip4:91.142.131.0/24 ip4:207.126.104.200 ~all"
]
}