Безопасность и доставляемость почты · grade A
v=spf1 mx include:spf.protection.outlook.com include:et._spf.pardot.com include:_spf.salesforce.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:spf1.appriver.com include:spf2.appriver.com -all