In order to downgrade your Pepipost account plan, please follow below steps,
1. Login to your Pepipost account
2. Go to the billing section.
3. Under ‘Your current Plan’ section, click ‘Upgrade Plan’.
4. All the available plans will be shown. Choose the plan to which you want to degrade. Here is the sample screenshot.
5. The changes will be reflected from the next billing cycle onwards.