These include, inter alia, the reform of the legislation on the freedom of expression in 2004, which authorizes the release of information identifying the sender if the message, prima facie, is likely to constitute a criminal offence.
这些措施包括，在2004年改革言论自由立法，授权当消息从表面看可能构成刑事罪行时，公布有关消息发送者身份的资料。