Email security & deliverability · grade A
v=spf1 a mx a:mm2.r-express.ru a:mm3.r-express.ru a:smtp-relay.online-express.ru ip4:193.161.85.121 ip4:31.44.95.128/28 ip4:5.9.101.87 ip4:88.99.58.44 ip4:88.198.151.164 include:spf.protection.outlook.com include:spf.mail.selcloud.ru ?all