Email Formats
{
"mx": [
"10 gateway.greateagle.com.hk.",
"20 mail1.greateagle.com.hk.",
"99 mail2.greateagle.com.hk."
],
"spf": [
"v=spf1 a:gateway.greateagle.com.hk a:mail2.greateagle.com.hk ip4:210.3.104.100 include:spf_c.oraclecloud.com include:spf.protection.outlook.com ~all"
]
}