Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:216.151.20.0/27 ip4:130.250.135.120/29 ip4:162.241.224.125 a:mail.polarsystems.com include:us._netblocks.mimecast.com include:icpbounce.com include:spf.myconnectwise.net include:amazonses.com include:sendgrid.net -all"
]
}