Sending emails using SMTP

Simple Mail Transfer Protocol (SMTP) is a fundamental communication protocol that’s used for sending electronic mail (email) messages over the internet. It operates as a set of rules and conventions that enable email clients or servers to transmit messages to their intended recipients. SMTP governs the process of routing, relaying, and delivering emails, making it a core component of email communication worldwide. Its simplicity and efficiency make it a widely adopted protocol for ensuring the reliable exchange of electronic messages across diverse email platforms and services.

In this section, we’ll dive into the integration of SMTP within our ESP32-powered smart plant monitoring system. Email communication proves to be an invaluable tool in keeping plant enthusiasts informed about the well-being of their green companions. By harnessing the power of SMTP, our system can send email notifications and updates directly to the user’s inbox...