Email Formats

{
  "mx": [
    "10 d294675a.ess.barracudanetworks.com.",
    "50 d294675b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx Ip4:203.101.168.83 Ip4:221.120.196.113 Ip4:119.63.128.26 -all"
  ]
}