Gmail service is in Beta. You have no credibility posting this advisory. The correct channel to post such "bugs" is the Gmail contact link for "bug reports".
If you weren't a script kiddie or scene whore, you would have known to hold information until such a time that Gmail became a public service.
Then and only then would anyone take this advisory seriously!
You obviously have no understanding of the "Beta" state of a development. The fact that a team of developers are in the state of "Beta" means that the developers are fully aware the service may not be entirely secure and they wish feedback via Google's own beta "bug report" channels.
All in all, this is a "beta bug report" and nothing else. If you had waited until the Gmail dev team declared gmail a public release, you would have gained more respect in the security community scene.
Cheerio
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