Email Formats
{
"mx": [
"0 usb-smtp-inbound-2.mimecast.com.",
"0 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 mx a include:_spf.google.com include:sendgrid.net include:shops.shopify.com include:shopify.com include:mailgun.org include:spf.protection.outlook.com include:usb._netblocks.mimecast.com ~all",
"v=spf1 include:_spf.hostedemail.com ~all"
]
}