Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"5 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:50.77.120.17 ip4:108.31.87.15 ip4:50.214.200.93 ip4:64.135.48.34 include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all"
]
}