Email Formats
{
"mx": [
"10 mx-01-us-east-2.prod.hydra.sophos.com.",
"20 mx-02-us-east-2.prod.hydra.sophos.com."
],
"spf": [
"v=spf1 include:arkgroup-com.spf.smtp25.com include:spf.protection.outlook.com include:_spf_uswest2.prod.hydra.sophos.com\\010 include:spf.constantcontact.com ~all"
]
}