Email Formats
{
"mx": [
"10 au-smtp-inbound-1.mimecast.com.",
"10 au-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a mx include:au._netblocks.mimecast.com include:spf.sendinblue.com include:relay.mailchannels.net include:493376.spf08.hubspotemail.net include:sendgrid.net ~all"
]
}