Email security & deliverability · grade A
v=spf1 include:de._netblocks.mimecast.com include:spf.protection.outlook.com a:opm.buch.de ip4:212.101.205.0/25 ip4:213.33.85.222 ip4:213.33.85.220 ip4:213.33.85.212 ip4:13.111.87.113 ip4:104.47.8.248 ip4:212.101.203.180 ~all