Email security & deliverability · grade A
v=spf1 mx ip4:74.205.21.242 ip4:149.174.0.0/16 ip4:64.236.0.0/16 ip4:204.29.186.0/23 ip4:148.163.135.35/32 ip4:148.163.139.55/32 include:sendgrid.net include:_spf.google.com include:aspmx.sailthru.com include:amazonses.com -all