Email Formats

{
  "mx": [
    "10 mailx1.iitm.ac.in.",
    "40 mailx4.iitm.ac.in.",
    "30 mailx3.iitm.ac.in.",
    "20 mailx2.iitm.ac.in."
  ],
  "spf": [
    "v=spf1 ip4:103.158.42.46/32 ip4:103.158.42.47/32 ip4:103.158.42.48/32 ip4:103.158.42.50/32 -all"
  ]
}