Email Formats
{
"mx": [
"1 mx1-us1.ppe-hosted.com.",
"5 mx2-us1.ppe-hosted.com."
],
"spf": [
"v=spf1 mx include:mailgun.org include:_spf-us.ppe-hosted.com include:spf.mandrillapp.com include:_spf.google.com include:spf.sendinblue.com include:spf.acumbamail.com include:sendgrid.net ~all"
]
}