Email security & deliverability · grade A
v=spf1 ip4:109.94.152.250/30 ip4:213.244.170.48/28 include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com include:relay.mailchannels.net include:145119852.spf01.hubspotemail.net ~all