Email security & deliverability · grade A
v=spf1 ip4:35.8.0.0/13 ip4:207.74.148.0/24 ip4:192.231.113.0/24 ip4:162.247.216.0/22 ip4:66.151.109.0/24 ip4:34.194.230.233 ip4:34.230.107.215 ip4:148.163.147.0/24 ip4:148.163.143.0/24 include:_external.mail.msu.edu include:_external2.mail.msu.edu -all