Email security & deliverability · grade A
v=spf1 mx ip4:198.45.24.39/32 ip4:192.243.80.0/20 ip4:204.8.133.5 ip4:52.9.43.147/32 ip4:54.219.0.73/32 include:mktomail.com include:spf.protection.outlook.com include:servers.mcsv.net ~all