Email Formats

{
  "mx": [
    "10 westinmontreal-com.mx1.arsmtp.com.",
    "20 westinmontreal-com.mx2.arsmtp.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:162.130.0.0/16 include:amazonses.com ~all"
  ]
}