Documenting the Email Service

This document describes the purpose, usage, and potential extensions of the EmailService in your NestJS application.

Purpose:

• Handles sending email notifications for various events in your application.
• Currently supports sending email verification and password reset emails.
• Provides a secure and flexible way to communicate with users through email.

Key Elements:

• Transporter Configuration: Uses SMTP credentials and configuration from environment variables to connect to an email server.
• Handlebars Templates: Utilizes Handlebars templates for email content with dynamic data for personalization.
• Pre-defined Methods: Offers dedicated methods for sending verification and password reset emails.
• sendEmail Method: Internal method for sending emails with basic logic, subject, and body content.

Use Cases:

• Sending account verification emails after registration.
• Sending password reset links when users request password changes.
• Sending transactional emails (e.g., order confirmations, invoices).
• Sending marketing or promotional emails (if applicable).

Adding Functionality:

• Implement new methods for additional email types (e.g., welcome emails, feedback requests).
• Create new Handlebars templates for different email designs and content.
• Use dynamic data from your application in email templates for personalization.
• Integrate with third-party email marketing platforms for advanced features.

Benefits:

• Improves user experience with timely and relevant email notifications.
• Enhances security with email verification and password reset functionalities.
• Promotes clear communication with users about actions and events in your application.

Additional Notes:

• Remember to replace placeholder values like email addresses and environment variables with your actual configuration.
• Ensure proper error handling and logging for email sending failures.
• Consider implementing throttling or rate limiting to prevent email abuse.
• Always adhere to email marketing best practices and relevant regulations.

File Path: email/email.service.ts