Postmark Plugin for Dify

Author: Harry Wang (https://harrywang.me/)
Version: 0.0.1
Type: Tool Plugin

Description

The Postmark plugin for Dify allows you to send emails using the Postmark API directly from your Dify applications. This plugin enables your AI applications to communicate with users via email, send notifications, deliver reports, and more.

Features

Send emails with text and/or HTML content
Support for CC and BCC recipients
Configurable default sender email address
Detailed success and error messages

Installation

Install the plugin in your Dify instance
Configure the plugin with your Postmark server token and default sender email

Configuration

The plugin requires the following credentials:

Server Token: Your Postmark server token (required)
Default From Email: The default sender email address to use when no from_email is provided in the tool parameters (required)

Both the server token and the default from email must be configured for the plugin to work properly.

Usage

The plugin provides a single tool:

Parameters

to_email: The recipient's email address (required)
subject: The subject line of the email (required)
html_body: The HTML content of the email (required)
cc: Carbon copy recipients (optional)
bcc: Blind carbon copy recipients (optional)

Note: The sender's email address (From) is automatically set to the default from email configured in the plugin credentials.

Example Prompt

Requirements

A valid Postmark account with API access
At least one verified sender signature in your Postmark account
Python 3.10 or higher

Troubleshooting

Authentication Errors: Make sure your server token is correct and has the necessary permissions
Sender Not Verified: Ensure that the from_email address is a verified sender signature in your Postmark account
Missing Required Fields: Check that all required parameters (to_email, subject, and html_body) are provided

Support

For issues or feature requests, please contact the plugin author or submit an issue on the plugin's repository.

License

MIT License

Development

Quick notes for development based on https://docs.dify.ai/plugins/quick-start/develop-plugins:

Now you can upload the plugin file `dify-postmark-plugin.difypkg to Dify to use.

If running into issues like "plugin verification has been enabled, and the plugin you want to install has a bad signature", see https://docs.dify.ai/learn-more/faq/plugins