Email Formats
{
"mx": [
"10 tollfreeforwarding-com.mail.protection.outlook.com."
],
"spf": [
"v=spf1 a mx ip4:52.144.0.0/20 ip4:205.207.0.135/32 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com -all"
]
}