Email security & deliverability · grade A
v=spf1 include:_spf.google.com include:stspg-customer.com include:amazonses.com include:spf.mtasv.net include:_spf.createsend.com include:2122194.spf08.hubspotemail.net include:_spf.firebasemail.com include:mail.zendesk.com -all