Email security & deliverability · grade A
v=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:212.18.11.33/27 ip4:167.114.73.155/32 include:mailgun.org ip4:80.82.205.232 ip4:213.164.70.57 include:5381528.spf05.hubspotemail.net ip4:67.228.101.200 include:amazonses.com -all