[ req ]
distinguished_name = req_distinguished_name
prompt             = no
x509_extensions    = v3_ca

[ req_distinguished_name ]
C             = AU
ST            = Queensland
L             = Brisbane
O             = wolfSSL Inc
OU            = Engineering
CN            = www.wolfssl.com
emailAddress  = support@www.wolfsssl.com

[ v3_ca ]
nameConstraints = critical,permitted;email:.wolfssl.com
nsComment       = "Testing name constraints"