Automated Gmail Email Sending with Embedded Images

This workflow automates the sending of Gmail emails that contain embedded images. It retrieves images from the web via HTTP requests and converts them into Base64 encoding, ensuring that the images are displayed inline in the email, enhancing visual appeal and professionalism. Users can customize email parameters, simplifying the email creation process and avoiding the issue of images being attached in traditional emails. This is suitable for various scenarios such as marketing, customer service, and automated reporting, improving communication effectiveness and work efficiency.

Workflow Diagram
Automated Gmail Email Sending with Embedded Images Workflow diagram

Workflow Name

Automated Gmail Email Sending with Embedded Images

Key Features and Highlights

This workflow enables automated sending of Gmail emails containing embedded images via n8n. It retrieves images from the web through HTTP requests, converts them to Base64 encoding, and embeds them inline within the email body instead of attaching them as separate files. It supports customization of sender, recipient, subject, and HTML-formatted email content, enhancing the visual appeal and professionalism of the emails.

Core Problems Addressed

In traditional email sending, embedding images often requires manual handling, and images typically appear as attachments, which can hinder readability and aesthetics. This workflow automates image retrieval, encoding, and embedding, simplifying the email creation process and preventing issues such as image loading failures or images being treated as attachments. It ensures rich and complete presentation of email content.

Application Scenarios

  • Marketing email campaigns to enhance visual engagement
  • Customer service or notification emails embedding brand or product-related images
  • Automated report emails including charts or screenshots
  • Any scenario requiring sending Gmail emails with inline embedded images

Main Workflow Steps

  1. Manually trigger the workflow start
  2. Configure email parameters (sender, recipient, subject, HTML email body)
  3. Retrieve specified web images via HTTP requests
  4. Convert image binary data to Base64 encoding
  5. Generate MIME-compliant email content, embedding Base64-encoded images inline using Content-ID references within the HTML body
  6. Send the email through Gmail API via HTTP request

Involved Systems or Services

  • Gmail API (secure email sending via OAuth2 authentication)
  • HTTP Request node (for fetching web images)
  • n8n local nodes (including manual trigger, data configuration, and processing)

Target Users and Value

  • Marketing professionals and content operators, enabling easy sending of visually rich marketing emails
  • Automation engineers and product managers, facilitating rapid setup of email automation workflows
  • Corporate customer service and notification teams, enhancing professionalism and user experience in email communications
  • Any users needing to send bulk or scheduled emails with embedded images, improving efficiency and reducing manual complexity

This workflow offers a flexible and efficient solution for email sending automation, especially suited for scenarios requiring emails with brand imagery or important visual content, helping users improve communication effectiveness and professional image.

Automated Gmail Email Sending with Embedded Images