Various aspects of email marketing can be patented, including but not limited to:
- Email automation systems: Innovations in [automated email workflows](https://), triggered emails, and drip campaigns. - Personalization techniques: Novel methods for [personalizing email content](https://) based on user behavior or preferences. - Analytics tools: Advanced [data analytics](https://) methods to track and improve email performance. - Security features: Systems to enhance the [security](https://) and privacy of email communications.