Email security & deliverability · grade A
v=spf1 ip4:20.52.238.120 ip4:37.208.107.135 ip4:37.208.107.137 include:marketing.dynamics.com include:spf.tixxt.com include:spf.mailjet.com include:spf.protection.outlook.com include:spf.mailingress.de include:spf.iqsuite.com -all