Email security & deliverability · grade A
v=spf1 include:hostedoffice.ag include:spf.crsend.com include:agenturserver.de ip4:188.40.28.39 ip4:178.77.122.11 ip4:92.51.149.172 include:ispgateway.de include:mailgun.org include:_spf.minuskel.de ~all