Email Formats
{
"mx": [
"10 mx2-us.emailsecurity.app.",
"5 mx1-us.emailsecurity.app."
],
"spf": [
"v=spf1 ip4:107.135.123.137 include:spf.emailsignatures365.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:return.smtp2go.net include:spf1.emailsecurity.app ~all"
]
}