Email security & deliverability · grade A
v=spf1 ip4:168.245.12.222 ip4:167.89.87.207 ip4:212.56.139.10 ip4:208.117.55.245 include:mail.zendesk.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:sendgrid.net include:servers.mcsv.net include:mailgun.org -all