SaneBox is an AI-powered email management tool that can automatically categorize emails, clean up spam, and prioritize important emails, helping users improve their work efficiency. Its main features include: 1) **Smart Filtering:** Uses machine learning algorithms to automatically categorize non-important promotional, notification, etc., emails into folders, only displaying important emails in the inbox; 2) **Contact Training:** Users can set the importance of different contacts, and SaneBox will remember these settings; 3) **Customizability:** Allows setting various rules and filtering conditions to meet the needs of different users; 4) **Daily Summary:** Sends a daily cleaning summary to ensure users focus on important emails.