Email security & deliverability · grade A
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:4542690.spf10.hubspotemail.net +ip4:207.67.20.252 +ip4:159.183.13.128 +ip4:159.183.9.136 +ip4:192.254.124.79 -all