Defined as unsolicited electronic messaging regardless of its content (e.g. advertisements or junk mail). Australia is a leading country when it comes to SPAM laws. The *Spam Act 2003* covers email, mobile phone messages (SMS, MMS) and instant messages.
To find out more on SPAM and laws governing it, visit the [Australian Cummincations and Media Authority] (http://www.acma.gov.au) or read their [Spam Consumers Guide pdf] (http://www.acma.gov.au/acmainterwr/consumer_info/spam/consumer_information/spam_consumerguide.pdf).