Email Formats
{
"mx": [
"20 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com.",
"40 us-smtp-2.mimecast.com.",
"30 us-smtp-1.mimecast.com."
],
"spf": [
"v=spf1 a ip4:63.151.134.182 ip4:131.191.84.250 ip4:66.224.12.186 ip4:66.224.12.188 include:_netblocks.mimecast.com include:spf.emailsignatures365.com -all"
]
}