Email security & deliverability · grade A
v=spf1 include:aspmx.sailthru.com include:spf.protection.outlook.com ip4:96.46.139.184/30 ip4:66.44.94.122 include:_spf.google.com include:_spf.salesforce.com include:spf.mandrillapp.com include:amazonses.com include:mail.zendesk.com ~all