Email security & deliverability · grade A
v=spf1 ip4:81.20.48.0/20 ip4:168.245.24.19/32 ip4:212.99.44.68/31 ip4:159.183.229.174/32 include:spf.protection.outlook.com include:_spf.salesforce.com include:servers.mcsv.net include:mail.zendesk.com include:_spf.sidetrade.net include:sendgrid.net ~all