1depth = 0 2issuer = /CN=RSA issuer CA 3subject = /CN=mx1.example.com 4 5depth = 1 6issuer = /CN=RSA root CA 7subject = /CN=RSA issuer CA 8 9depth = 2 10issuer = /CN=RSA root CA 11subject = /CN=RSA root CA 12 13depth = 0 14issuer = /CN=EC issuer CA 15subject = /CN=mx1.example.com 16 17depth = 1 18issuer = /CN=EC root CA 19subject = /CN=EC issuer CA 20 21depth = 2 22issuer = /CN=EC root CA 23subject = /CN=EC root CA 24 25