Enabling reCaptcha (BlogEngine 1.6.1)
1. Get reCaptcha account
First you need to get free account at reCaptcha home page (http://recaptcha.net/
). With account comes application key you'll need to use in the next steps.
2. Navigate to extensions list
Log in as admin and navigate to extensions list. Click "edit" link to get to extension settings page.
3. Edit settings
On extension settings page, enter your application keys you got in step 1. Check the box if you want reCaptcha show also for authenticated users and select theme if you don't like default one. Save settings.
4. Enable reCaptcha extension
Go back to extensions list and click "disabled" link to enable extension. After application recycles, you should see reCaptcha control added to your comments form.