How to disable Configurations History Delivery for account in AWS Config

Hi, from your post I am not sure which method you are currently using to receive these emails.

If you are currently using the default SNS reporting feature in AWS Config (accessible through AWS Config dashboard > Settings > Delivery method), this will send all notifications - https://docs.aws.amazon.com/config/latest/developerguide/notifications-for-AWS-Config.html and can result in a high number of emails being sent.

Alternatively, you can configure alerts for a specific type of change by defining an EventBridge rule to filter on only the type of event that you are interested in. For detecting S3 Public Access changes, I would recommend deploying a Config rule to check for public access (e.g. via https://repost.aws/knowledge-center/flag-buckets-aws-config). You can then define an EventBridge rule to react to changes in the compliance state of this rule, following the steps here: https://repost.aws/knowledge-center/config-resource-non-compliant

If you are already using the EventBridge method, the filter you are using in the EventBridge rule may currently be not specific enough - ensure that you've set the messageType to only react to ComplianceChangeNotification type messages.