Email security & deliverability · grade A
v=spf1 include:_mail.sec.gov include:_sas.sec.gov include:_sas1.sec.gov include:_sas2.sec.gov ip4:162.138.52.160 ip4:162.138.52.161 ip4:162.138.53.160 ip4:162.138.53.161 include:spf.protection.outlook.com -all