Email Formats
{
"mx": [
"0 pvcombank-com-vn.mail.protection.outlook.com."
],
"spf": [
"v=spf1 a mx ip4:103.10.88.0/22 ip4:52.101.132.30 ip4:52.101.137.2 ip4:52.101.132.28 ip4:52.101.137.0 include:spf.mandrillapp.com include:spf.protection.outlook.com -all"
]
}