Email security & deliverability · grade A
v=spf1 ip4:216.151.17.66 include:spf.protection.outlook.com include:amazonses.com include:spf.mandrillapp.com include:mktomail.com a:zgateway.zuora.com include:_spf.salesforce.com include:46756386.spf02.hubspotemail.net -all