Email security & deliverability · grade A
v=spf1 a:poczta.agh.edu.pl a:smtp.agh.edu.pl a:mailing.agh.edu.pl a:appsmail.agh.edu.pl a:microrelay.cri.agh.edu.pl mx ?ip4:149.156.96.0/19 ?ip4:149.156.192.0/20 ?ip6:2001:6d8:10::/48 include:spf.protection.outlook.com include:_spf.mlsend.com -all