Безопасность и доставляемость почты · grade A
v=spf1 a mx ip4:206.223.162.59 ip4:38.140.220.227 include:_spf.google.com include:sendgrid.net include:spf.mailjet.com include:mail.zendesk.com include:47231785.spf03.hubspotemail.net include:stspg-customer.com ~all