n8n-nodes-postmark-smtp

This is an n8n community node. It lets you use Postmark to send transactional emails directly from your n8n workflows.

n8n is a fair-code licensed workflow automation platform.

Postmark is a fast and reliable email delivery service for developers.

Features

• Send Email: Send individual emails with support for:
  • HTML bodies.
  • Attachments (binary data).
  • CC and BCC recipients.
  • Dynamic sender verification (loads verified domains from your account).

Credentials

This node requires a Postmark API credential which includes:

1. Server Token: Required for sending emails. You can find this in your Postmark server settings under "API Tokens".
2. Account Token: Required only if you want to fetch verified domains dynamically. You can find this in your Postmark account settings.

Installation

Community Node (Recommended)

You can install this node directly in n8n via the Settings > Community Nodes panel. Search for n8n-nodes-postmark-smtp.

Manual Installation

To install this node manually in your n8n Docker instance:

docker exec -it n8n npm install n8n-nodes-postmark-smtp

Usage

Sending an Email

1. Connect your Postmark API credential (fill in Server Token and optionally Account Token).
2. Select a valid From Domain (dynamically loaded).
3. (Optional) Enter From Name.
4. Enter From Email. Note: This must belong to the selected 'From Domain' or the node will error.
5. (Optional) Enter To Name.
6. Enter To Email.
7. Fill in Subject and HTML Body.
8. (Optional) Additional Fields:
   • Cc
   • Bcc
   • Attachments: Add files from previous nodes.

Development

To develop and test this node locally:

1. Install dependencies:

   npm install

2. Build the node:

   npm run build

3. Start n8n with this node:

   npm run dev

License

MIT