Email security & deliverability · grade A
v=spf1 mx a ip4:77.95.248.0/21 ip6:2a00:1478::/29 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.protection.outlook.com include:spf.protection.se.isp-net.nl include:spf.crowdtech.com -all