Email security & deliverability · grade A
v=spf1 ip4:203.200.192.105 ip4:107.21.37.86 ip4:203.200.192.109 ip4:134.213.195.176 ip4:192.254.125.237 include:spf.protection.outlook.com include:spf.emerald.com include:_spf.silverchair.com -all