BigPond said the 2004 Australian Idol winner's debut single will be available to download from BigPond immediately following the winner's announcement on Sunday night.
The winner's recording of "Listen With Your Heart" unveiled by Idol finalists Casey Donovan and Anthony Callea last Sunday, will be available for fans on BigPond Music until 11:59 pm on Wednesday, prior to being available in stores on Monday, 29 November.
BigPond managing director, Justin Milne, said the single will cost AU$1.49 to download for BigPond members and AU$1.89 for non-members.
Milne is expecting the Australian Idol's single to be "the biggest ever paid legal music download in Australian history."
The Australian Idol Web site message board was inundated in September with posts following contestant Emelia Rusciano's call for users to be nice, with the show's producer, Grundy, saying messages were logged at the rate of one per second.
Grundy warned users that in using the message board fans must abide by the "member conduct" statement, available via a link on the message board main page.
The conduct notice states that users must not upload "any content that is unlawful, harmful, threatening, abusive... defamatory, vulgar, obscene... hateful, or racially, sexually, ethnically or otherwise objectionable or vilifying", and must not impersonate someone affiliated with the company.
Grundy said the site typically attracts around 15,000 postings a day.
To add to its customer pull, BigPond will also be making available the songs from last year's Australian Idol winner Guy Sebastian.