Email Formats
{
"mx": [
"10 usb-smtp-inbound-2.mimecast.com.",
"10 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:12.23.241.1/24 ip4:173.10.210.16/29 ip4:207.145.181.8/29 ip4:50.202.14.88/29 ip4:216.64.107.222 include:emailsrvr.com include:usb._netblocks.mimecast.com include:spf.protection.outlook.com ~all"
]
}