Email security & deliverability · grade A
v=spf1 include:mailgun.org include:sendgrid.net include:_spf.google.com ip4:23.105.232.0/24 ip4:209.85.218.41/32 ip4:91.234.188.98/32 ip4:91.234.188.146/32 ip4:135.106.149.112/29 -all