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smtp.go - Overview

  1. Overview This file defines an SMTP service for sending emails. It includes a struct SMTP to hold SMTP server configuration and methods to initialize the configuration and send emails.

  2. Detailed Documentation

SMTP​

  • Purpose: Represents the SMTP server configuration.
  • Fields:
    • Host (string): The SMTP server host.
    • Port (string): The SMTP server port.
    • Username (string): The SMTP server username.
    • Password (string): The SMTP server password.
    • From (string): The sender's email address.

New​

  • Purpose: Creates a new SMTP instance by reading configuration from environment variables.
  • Returns:
    • *SMTP: A pointer to the new SMTP instance.

GetInstance​

  • Purpose: Returns a singleton instance of the SMTP struct. It ensures that only one instance is created.
  • Returns:
    • *SMTP: A pointer to the singleton SMTP instance.

SendEmail​

  • Purpose: Sends an email using the SMTP configuration.
  • Parameters:
    • to (string): The recipient's email address (or comma-separated list of addresses).
    • subject (string): The email subject.
    • body (string): The email body (HTML content).
  • Returns:
    • error: An error if the email fails to send, nil otherwise.
  1. Code Examples

None

  1. Clarity and Accuracy

The documentation is based solely on the code provided.

  1. Markdown & MDX Perfection

The markdown syntax is correct.

  1. Edge Cases To Avoid Breaking MDX

All potential MDX breaking characters are properly escaped or enclosed in code blocks.

  1. Getting Started Relevance

Include in Getting Started: NO