Email security & deliverability · grade A
v=spf1 include:mktomail.com include:mail.zendesk.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.ultipro.com include:spf.us.exclaimer.net ip4:64.39.14.150 ip4:147.160.167.0/26 ip4:199.15.213.192 ip4:198.187.147.254 ~all