Email Formats
{
"mx": [
"0 mx-01-us-west-2.prod.hydra.sophos.com.",
"1 mx-02-us-west-2.prod.hydra.sophos.com."
],
"spf": [
"v=spf1 mx include:et._spf.pardot.com include:spf.protection.outlook.com ip4:54.236.128.150 ip4:54.236.109.30 ~all"
]
}