Email security & deliverability · grade B
v=spf1 mx a:mail.bfv.de a:mailout1.dfbnet.org ip4:212.29.3.21 ip4:62.138.85.30 ip4:212.29.17.0/24 ip4:148.251.129.140 ip4:40.107.105.119 include:spf.protection.outlook.com include:spf.mailjet.com include:amazonses.com include:agenturserver.de -all