Email security & deliverability · grade A
v=spf1 a mx ip4:193.136.58.87 ip4:193.136.56.161 ip4:193.136.60.16 ip4:193.136.56.222 ip4:193.136.4.194 ip4:193.136.58.211 ip4:193.137.196.234 ip4:193.136.56.194 ip4:193.136.58.88 ip4:193.136.60.122 ip4:66.33.198.144 ip4:193.136.58.13 ip4:193.136.58.14 a:rtserver.net.ipp.pt include:spf.ipp.at.isep.ipp.pt include:spf.protection.outlook.com ip6:2603:1000::/24 -all