Indiegogo provides you with a dashboard, the Unsubscribe Preference Center, to selectively unsubscribe from Indiegogo emails:

• Go to the Indiegogo homepage
• Click Log In in the upper right hand corner, above the search bar
• Enter your email address (create a new password if needed)
• Click on the triangle next to your name
• Select "My Settings" from the drop down menu
• Select "Subscriptions" from the menu
• Select or deselect subscriptions by clicking on the box left to the listed item
• Click "Save Subscriptions Settings" to submit your subscription choice