Below are the various email addresses you can use to contact us. Replace the [at] with an @, of course.
If you are interested in advertising on Gamesta.com, send an email to advertising[at]gamesta.com
If you are a game publisher and would like us to review or write about your game, send an email to pr[at]gamesta.com
If you would like to leave general feedback about the site, send an email to feedback[at]gamesta.com
To contact us about general inquiries like partnerships, send an email to contact[at]gamesta.com
If you would like to send us a tip to report on, use the tip us form.