Email Formats

{
  "mx": [
    "10 mailrelay2.fudan.edu.cn.",
    "10 mailrelay1.fudan.edu.cn.",
    "1 mx-fudan-edu-cn.icoremail.net."
  ],
  "spf": [
    "v=spf1 ip4:202.120.224.0/24 ip4:61.129.42.0/24 ip4:202.120.241.1/29 ip4:202.120.242.1/29 ip4:202.120.243.1/29 ip4:202.120.244.1/29 ip6:2001:da8:8001::/48 include:spf.icoremail.net ~all"
  ]
}