Email security & deliverability · grade A
v=spf1 a:spf.flexfilter.nl a:srv1.flexwebmailer.nl include:spf.cm.puzzel.com include:servers.mcsv.net include:mail.registrar.eu include:spf.mydomainprovider.com include:25167796.spf08.hubspotemail.net ip4:93.180.69.11 ip4:93.180.69.12 ip4:93.180.69.13 ip4:62.84.242.27 ip4:62.84.242.10 ~all