Email Formats

{
"mx": [
"3 mail2.pyramids.com.tw.",
"2 mail.pyramids.com.tw.",
"1 mail3.pyramids.com.tw."
],
"spf": [
"v=spf1 mx a ip4:211.21.42.91 ip4:203.67.125.176 ip4:211.21.42.97 ip4:61.219.97.8 ~all"
]
}