Email Formats

{
  "mx": [
    "5 mail-sps.abchina.com.",
    "10 mail.abchina.com.",
    "15 mailb.abchina.com.",
    "15 mailc.abchina.com."
  ],
  "spf": [
    "v=spf1 ip4:219.142.61.0/27 ip4:211.94.154.128/25 ip4:203.198.159.122/32 ip4:58.177.181.200/32 -all"
  ]
}