Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"0 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:_spf.salesforce.com ip4:50.228.185.210 ip4:173.243.202.30 ip4:206.223.182.186 include:spf-ca.emailsignatures365.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all"
]
}