To reprocess emails, you need to navigate to your inbox by clicking on the gear icon then selecting "Inbox".
Then check the boxes next to the emails you want reprocessed.
Click on the Process Selected Emails button and click "Yes".
Reprocessing webhooks is similar.
First, navigate to your webhook parser inbox by clicking on the gear icon and selecting "Inbox".
Then select the webhooks that you want processed.
Click on the Process Selected Webhooks button and then click "Yes".