Email Formats
{
"mx": [
"0 vnexpress-net.mail.protection.outlook.com.",
"10 mailgw01.fpt.com.vn.",
"20 mailgw02.fpt.com.vn."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf.mailjet.com ip4:118.70.224.66 ip4:118.70.224.68 ip4:118.70.224.65 ip4:118.70.224.67 ip4:118.70.224.69 ip4:118.70.224.70 -all"
]
}