Безопасность и доставляемость почты · grade A
v=spf1 ip4:198.2.135.165 ip4:8.33.137.105/32 ip4:192.99.77.81/32 include:spf.mandrillapp.com include:spf.protection.outlook.com include:helpscoutemail.com include:spf.sendinblue.com mx ~all