Email security & deliverability · grade A
v=spf1 a mx ip4:209.160.160.0/24 ip4:170.101.18.0/25 ip4:216.158.131.64/26 ip4:208.78.157.96/27 ip4:216.235.195.0/24 ip4:52.71.125.57 include:outboundmail.convio.net include:spf.protection.outlook.com ~all