Безопасность и доставляемость почты · grade A
v=spf1 ip4:147.26.63.0/26 ip4:147.26.251.152/32 ip4:4.151.200.180/32 include:spf.protection.outlook.com include:_spf1.txstate.edu include:_spf2.txstate.edu include:_spf3.txstate.edu -all