SKILL.md
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- "Send an email" →
postmark-send-email
- "Send a batch of emails" →
postmark-send-email
- "Send using a template" →
postmark-send-email(template section) orpostmark-templates(to create/manage templates)
- "Handle incoming email" →
postmark-inbound
- "Process inbound webhooks" →
postmark-inbound
- "Create an email template" →
postmark-templates
- "Track deliveries/bounces/opens" →
postmark-webhooks
- "Set up bounce handling" →
postmark-webhooks
- "Set up SPF/DKIM/DMARC" →
postmark-email-best-practices
- "Email compliance / GDPR / CAN-SPAM" →
postmark-email-best-practices
- "Domain warm-up" →
postmark-email-best-practices
- "List hygiene / suppression management" →
postmark-email-best-practices
- "Design a transactional email" →
postmark-email-best-practices
- "Test email safely" →
postmark-email-best-practices
Common Setup
Authentication
Postmark uses two types of API tokens:
Token
Header
Scope
Server Token
X-Postmark-Server-Token
Sending emails, templates, bounces, webhooks, message streams
Account Token
X-Postmark-Account-Token
Managing servers, domains, sender signatures
Get your Server API Token from Postmark Servers.
SDK Installation
Detect the project language and install the appropriate SDK:
File
Language
Install Command
package.json
Node.js / TypeScript
npm install postmark
requirements.txt / pyproject.toml
Python
pip install postmarker
Gemfile
Ruby
gem install postmark
composer.json
PHP
composer require wildbit/postmark-php
*.csproj / *.sln
.NET
dotnet add package Postmark
Message Streams
Postmark separates email by intent into Message Streams:
Stream
Value
Purpose
Transactional
outbound
1:1 triggered emails (welcome, password reset, receipts) — default
Broadcast
broadcast
Marketing, newsletters, announcements
Never mix transactional and broadcast email in the same stream — it damages deliverability.