Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"20 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:207.208.196.192/26 ip4:129.33.243.91/32 ip4:136.147.62.229/32 ip4:199.255.192.0/22 ip4:50.216.250.64/26 ip4:199.127.232.0/22 ip4:54.240.0.0/18 include:mktomail.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all"
]
}