Postmark

Postmark is a fast, reliable transactional email service with detailed delivery analytics.

Prerequisites

Before configuring Postmark in Notiflows, you need:

1. A Postmark account
2. A verified sender signature (domain or email address)
3. A Server API Token

Configuration

Step 1: Verify a sender signature

Postmark requires a verified sender signature before you can send email.

1. Log in to the Postmark dashboard
2. Go to Sender Signatures
3. Click Add Domain or Add Sender Signature
4. For domain verification, add the provided DNS records (DKIM and Return-Path)
5. For single email verification, confirm via the verification email

Step 2: Get your Server API Token

1. In the Postmark dashboard, select your Server
2. Go to API Tokens
3. Copy the Server API Token

Step 3: Set up in Notiflows

1. Navigate to Channels in your project
2. Click Create Channel
3. Select Email as the channel type
4. Select Postmark as the provider
5. Paste your Server Token
6. Enter your verified From Email and optionally a From Name
7. Optionally set a Message Stream (e.g., outbound for transactional, or a custom stream name)
8. Save the channel

Templates

Email templates support three content types:

• Visual - Drag-and-drop editor for rich HTML emails
• HTML - Raw HTML with full control
• Plaintext - Simple text emails

Use Liquid templating for dynamic content:

Hi {{ recipient.first_name }},

{{ data.message }}

Available variable contexts:

• recipient.* - Recipient user data (first_name, last_name, email, etc.)
• actor.* - User who triggered the notification
• data.* - Custom payload passed when triggering the notiflow