Email security & deliverability · grade A
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net include:servers.mcsv.net include:emsd1.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.salesforce.com include:2019794.spf10.hubspotemail.net -all