Email security & deliverability · grade A
v=spf1 a mx ip4:66.216.44.224/27 ip4:209.217.203.160/27 ip4:96.47.67.32/27 ip4:66.193.29.128/27 include:_spf.google.com include:4041721.spf05.hubspotemail.net include:sendgrid.net include:amazonses.com -all