Email security & deliverability · grade A
v=spf1 mx ip4:75.126.12.226/32 ip4:136.147.208.65/32 ip4:136.147.215.90/32 ip4:136.146.180.125/32 ip4:100.21.236.71/32 ip4:52.10.145.251/32 include:spf.protection.outlook.com include:mail.zendesk.com -all