You can go to FunnelKit > Settings > Optin Pages to configure the global Optin page settings.
Here you can set the email information, spam protection by generating Google v2 Invisible reCAPTCHA Site and Secret Key along with a few other options.
Let's look at each of these options below:
Enter the sender's email details such as:
- "From" Name
- "From" Address
- "Reply To" Address
![Email for global Optin Page settings](https://funnelkit.com/wp-content/uploads/2024/02/optin-page-email-global-settings-1024x577.png)
Click on "Save" to make the changes.
Spam Protection
You can enable the Google v2 invisible reCAPTCHA here.
Set it up by generating the site and secret key. Furthermore, provide the fail message prompt here.
![Spam Protection for global Optin Page settings](https://funnelkit.com/wp-content/uploads/2024/02/optin-page-spam-protection-global-settings-1024x589.png)
Without entering this Captcha code, users won't be able to sign up to your opt-in page.
Once done, click on Save.
Custom CSS
You can write custom CSS code to make changes on your opt-in and opt-in confirmation pages here.
![Custom CSS for global Optin Page settings](https://funnelkit.com/wp-content/uploads/2024/02/optin-page-custom-css-global-settings-1-1024x772.png)
External Scripts
FunnelKit allows you to write external JavaScripts to opt-in and opt-in confirmation pages so that it matches your brand.
For writing these script codes, go to External Scripts under Optin global settings.
![External Scripts for global Optin Page settings](https://funnelkit.com/wp-content/uploads/2024/02/optin-page-external-scripts-global-settings-1-1024x770.png)
Once you're done, click on "Save".
This is all about the global Optin page settings in FunnelKit's Funnel Builder.