Email Formats
{
"mx": [
"20 mail.siamparagon.co.th.",
"10 mail.siampiwat.com."
],
"spf": [
"v=spf1 a mx ip4:49.229.109.37 include:spf.protection.outlook.com include:_spf.debutmail.com include:smtp.txmsv.com include:_spf.one.th include:spf.mtasv.net include:amazonses.com -all"
]
}