[standalone@localhost:9999 /] /subsystem=mail/mail-session=java\:jboss\/mail\/Default:read-resource-description
{
    "outcome" => "success",
    "result" => {
        "description" => "Mail session configuration",
        "head-comment-allowed" => true,
        "tail-comment-allowed" => true,
        "attributes" => {
            "jndi-name" => {
                "description" => "JNDI name to where mail session should be bound",
                "type" => STRING,
                "required" => true,
                "access-type" => "read-only",
                "storage" => "configuration"
            },
            "debug" => {
                "description" => "If this is true the MailSessionConfiguration will be set to debug mode",
                "type" => STRING,
                "required" => false,
                "access-type" => "read-only",
                "storage" => "configuration"
            },
            "smtp-server" => {
                "description" => "The address of a SMTP Mail Server",
                "type" => STRING,
                "required" => false,
                "access-type" => "read-only",
                "storage" => "configuration"
            },
            "imap-server" => {
                "description" => "The address of an IMAP Mail Server",
                "type" => STRING,
                "required" => false,
                "access-type" => "read-only",
                "storage" => "configuration"
            },
            "pop3-server" => {
                "description" => "The address of a POP3 Mail Server",
                "type" => STRING,
                "required" => false,
                "access-type" => "read-only",
                "storage" => "configuration"
            }
        }
    }
}
[standalone@localhost:9999 /] /subsystem=mail/mail-session=java\:jboss\/mail\/Default:read-resource            
{
    "outcome" => "success",
    "result" => {
        "debug" => "false",
        "jndi-name" => "java:jboss/mail/Default",
        "smtp-server" => {"outbound-socket-binding-ref" => "mail-smtp"}
    }
}