Email Formats

{
"mx": [
"10 mx01.cathayholdings.com.tw.",
"20 mx02.cathayholdings.com.tw."
],
"spf": [
"v=spf1 ip4:202.154.200.0/24 ip4:202.154.201.250 ip4:61.216.146.58 include:spf.protection.outlook.com -all"
]
}