Email Formats
{
"mx": [
"20 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:139.60.152.0/22 ip4:162.247.216.0/22 include:spf-us.emailsignatures365.com include:qemailserver.com include:us._netblocks.mimecast.com include:mailgun.org include:et._spf.pardot.com include:_spf.salesforce.com ~all"
]
}