No, but then i don't know anyone who has been charged for murder either.
People who deliver the mail can be charged with mail tampering - link
. It is part of the Criminal Code Act, so there must be people charged with it, and the punishment can be imprisonment, so it is taken seriously.
According to a lawyer's webpage
Section 471.7 of the Criminal Code Act 1995 (Cth) is Tampering with Mail and is extracted below.
This post has been edited by katpaws: 13/11/2012, 05:11 AM
471.7 Tampering with mail-receptacles
(1) A person is guilty of an offence if the person dishonestly:
(a) opens a mail-receptacle; or
(b) tampers with a mail-receptacle.
Penalty: Imprisonment for 5 years.
(2) A person is guilty of an offence if:
(a) the person intentionally opens a mail-receptacle; and
(b) the person is not authorised by Australia Post to open the mail-receptacle; and
© the person does so knowing that he or she is not authorised by Australia Post to open the mail-receptacle.
Penalty: Imprisonment for 2 years.