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sales-skills
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sales-postmark

Send transactional emails via the Postmark API and SMTP relay.

Updated Aug 23, 2026
Search Tags:#templates#api#webhooks#transactional-email#inbound#postmark#smtp-relay
One-click install
npx skills add https://github.com/sales-skills/sales --skill sales-postmark
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: sales-postmark
Source: https://github.com/sales-skills/sales/tree/main/skills/sales-postmark
Command: npx skills add https://github.com/sales-skills/sales --skill sales-postmark

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Postmark provides an API-first platform to reliably send transactional email, manage templates, and route events without conflating marketing sends with transactional traffic.

Core Features & Use Cases

  • Transactional email sending via REST API or SMTP relay
  • Message Streams to isolate transactional vs broadcast (marketing) emails
  • Handlebars templates with layout inheritance and template management
  • Inbound email parsing and webhook-driven event handling
  • DMARC monitoring, bounce management, and per-stream suppressions
  • Detailed statistics and Open/Click tracking across streams
  • Integrations via API and Zapier for workflow automation

Quick Start

Install and configure your Postmark server, generate the Server API Token, and send a templated transactional email via the /email/withTemplate endpoint.

Frequently Asked Questions about sales-postmark

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I send transactional email using the Postmark API with Handlebars templates?▼

You can send transactional email via Postmark by generating a Server API Token and calling the /email/withTemplate endpoint. Handlebars templates support dynamic content and layout inheritance for reliable message delivery.

What are Message Streams in Postmark and when do I need them for transactional email?▼

Message Streams isolate transactional email traffic from broadcast marketing sends within a Postmark server. Use them to maintain deliverability and apply per-stream routing, suppressions, and tracking configurations independently.

Can I use Postmark SMTP relay instead of the REST API for transactional email?▼

Yes, Postmark supports transactional email delivery via SMTP relay alongside the REST API. Configure your application's SMTP client with Postmark server credentials to route messages through their deliverability infrastructure.

How does Postmark handle inbound email parsing and webhook event routing?▼

Postmark parses inbound emails and forwards event data to configured webhook URLs. This mechanism enables applications to process incoming messages, trigger automated workflows, and handle bounce notifications through real-time HTTP requests.

Does Postmark support DMARC monitoring and bounce management for transactional email?▼

Yes, Postmark includes DMARC monitoring, bounce management, and per-stream suppression lists. These features protect transactional email deliverability by automatically handling failed addresses and tracking domain authentication failures.

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