Email Formats

{
  "mx": [
    "10 mx2.cityemail.com.",
    "10 mx1.cityemail.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:69.28.32.0/20 ip4:141.193.60.0/22 ip4:162.213.180.0/22 ip4:199.127.112.0/22 ip4:216.229.183.0/24 ip6:2604:3b80:0:32::23/64 ip4:104.128.152.0/24 ~all"
  ]
}