Plugin

Limited listing

Email HTML Pro

Name: Email HTML Pro
Author: abesticode

Send professional HTML emails with full template support. Features raw HTML rendering (perfect for custom templates), markdown-to-HTML conversion, AWS SES/Gmail/SMTP compatibility, file attachments, CC/BCC, and batch sending. Ideal for marketing emails, transactional notifications, and business communications.

1.4k installsUpdated May 21, 2026

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Email HTML Pro

Author: abesticode
Version: 0.0.3
Type: Tool Plugin
Repo: https://github.com/abesticode/dify-plugin-email-html-pro

Description

Email HTML Pro is a professional Dify plugin for sending HTML emails via SMTP with comprehensive template support. It enables seamless integration with AI workflows for sending transactional emails, marketing communications, and business notifications.

Features

📧 SMTP Support: Compatible with Gmail, AWS SES, and any standard SMTP server
🔓 SMTP Relay Support: Works with unauthenticated relay servers (e.g., internal company relays)
🎨 Raw HTML Templates: Send pre-built HTML templates without modification
📝 Markdown to HTML: Automatically convert markdown content to beautiful HTML emails
📎 File Attachments: Attach multiple files to your emails
👥 Multiple Recipients: Send to multiple recipients with batch sending
📋 CC/BCC Support: Include carbon copy and blind carbon copy recipients
↩️ Reply-To: Set custom reply-to addresses
🔐 Encryption: Support for SSL, TLS, or no encryption

Installation

Navigate to the Dify Marketplace
Search for "Email HTML Pro"
Click "Install"
Configure your SMTP credentials

Configuration

Configure the following credentials in Dify:

Field	Description	Required
SMTP Server	Your SMTP server address (e.g., smtp.gmail.com)	✅
SMTP Port	SMTP port (25, 465, or 587)	✅
Email Account	Your email account for SMTP authentication. Leave empty for relay servers without auth.	❌
Email Password	Your email password or app password. Leave empty for relay servers without auth.	❌
Encryption Method	NONE, SSL, or TLS	✅
Sender Address	Custom sender address. Required when Email Account is not provided.	❌

Common SMTP Configurations

Gmail:

Server: smtp.gmail.com
Port: 587
Encryption: TLS
Note: Use an App Password

AWS SES:

Server: email-smtp.{region}.amazonaws.com
Port: 587
Encryption: TLS
Note: Use IAM SMTP credentials

SMTP Relay (No Authentication):

Server: Your relay server address (e.g., relay.company.com)
Port: 25
Encryption: NONE
Email Account: (leave empty)
Email Password: (leave empty)
Sender Address: no-reply@company.com (required)
Note: Common for internal company relay servers

Tools

Send Email

Send a single email to one recipient.

Parameters:

send_to (required): Recipient email address
subject (required): Email subject line
email_content (required): Email body content
convert_to_html: Convert markdown to HTML (default: false)
is_raw_html: Send content as raw HTML (default: false)
reply_to: Custom reply-to address
cc: CC recipients as JSON array
bcc: BCC recipients as JSON array
attachments: Files to attach

Send Batch Email

Send emails to multiple recipients at once.

Parameters:

send_to (required): JSON array of recipient emails
subject (required): Email subject line
email_content (required): Email body content
Other parameters same as Send Email

Usage Examples

Send Plain Text Email

send_to: user@example.com
subject: Hello World
email_content: This is a plain text email.

Send Markdown Email

send_to: user@example.com
subject: Weekly Report
email_content: |
  # Weekly Report
  
  ## Highlights
  - Task 1 completed
  - Task 2 in progress
  
  **Next Steps:**
  1. Review documentation
  2. Deploy to production
convert_to_html: true

Send Raw HTML Template

send_to: user@example.com
subject: Welcome to Our Service
email_content: |
  <!DOCTYPE html>
  <html>
  <body style="font-family: Arial, sans-serif;">
    <h1 style="color: #333;">Welcome!</h1>
    <p>Thank you for joining us.</p>
  </body>
  </html>
is_raw_html: true

Send to Multiple Recipients

send_to: ["user1@example.com", "user2@example.com"]
subject: Team Announcement
email_content: Important team update...
cc: ["manager@example.com"]

Troubleshooting

Authentication Failed

Verify your email and password are correct
For Gmail, ensure you're using an App Password
Check if your SMTP server requires specific security settings

Connection Timeout

Verify the SMTP server address is correct
Check if the port is open and not blocked by firewall
Try different encryption methods

Emails Not Received

Check recipient's spam folder
Verify sender address is valid
For AWS SES, ensure recipient is verified in sandbox mode

Contributing

Contributions are welcome! Please submit issues and pull requests on GitHub.

License

MIT License

Changelog

v0.0.1

Initial release
Send Email and Send Batch Email tools
Raw HTML and Markdown to HTML support
File attachments, CC/BCC support

v0.0.3

Added support for SMTP relay servers without authentication
Email Account and Email Password are now optional credentials
Sender Address is required when Email Account is not provided
Provider validation uses connection test (EHLO) for relay servers instead of sending test email

v0.0.2

Added animated SVG icon with floating envelope and typing HTML brackets effect
Updated documentation

Capabilities

Tools

Available inside your emploidai workspace after installation.

Data sources

Available inside your emploidai workspace after installation.