Безопасность и доставляемость почты · grade A
v=spf1 ip4:52.39.228.22 ip4:54.148.1.33 ip4:52.35.220.252 ip4:52.88.135.56 include:us._netblocks.mimecast.com include:spf.mycrowdwisdom.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:spf2.td.org include:mail.zendesk.com -all