Email security & deliverability · grade B
v=spf1 include:stspg-customer.com include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com mx ip4:69.5.85.0/24 ip4:35.183.92.192/26 ip4:69.5.90.0/24 ip4:34.223.64.144/28 -all