Email Formats
{
"mx": [
"10 usb-smtp-inbound-2.mimecast.com.",
"0 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:8.48.129.72 ip4:63.167.37.72 ip4:148.163.145.216 ip4:148.163.141.216 ip4:160.81.245.70 ip4:63.167.37.167 include:spf.us.exclaimer.net include:_spf.createsend.com -all"
]
}