postmark

Postmark Skills Postmark is a transactional email platform built for developers, with 15+ years of deliverability expertise. These skills teach AI agents how to use the Postmark API effectively. Sub-Skills Feature Skill Use When Sending emails postmark-send-email Sending transactional or broadcast emails — single, batch, bulk, or with templates Inbound processing postmark-inbound Processing incoming emails via webhooks, building reply-by-email, email-to-ticket, or document extraction Template management postmark-templates Creating, editing, or sending with Postmark's server-side Handlebars templates and layouts Webhooks postmark-webhooks Setting up webhooks for delivery, bounce, open, click, spam complaint, and subscription change events Best practices postmark-email-best-practices Deliverability setup, compliance (CAN-SPAM/GDPR/CASL), email design, list management, testing, and sending reliability Quick Routing "Send an email" → postmark-send-email "Send a batch of emails" → postmark-send-email "Send using a template" → postmark-send-email (template section) or postmark-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. Resources Postmark Developer Docs API Reference Postmark API for LLMs Postmark Dashboard