Email security & deliverability · grade A
v=spf1 mx ip4:199.127.192.0/22 ip6:2620:10b:7000::/44 include:_spf.google.com include:mktomail.com include:_spf.salesforce.com include:mail.zendesk.com include:stspg-customer.com include:spf.mandrillapp.com include:spf.protection.outlook.com ~all