postmark-send-email

Send transactional and broadcast emails through the Postmark API.

6|Updated Jan 29, 2026

Search Tags:#template #email #transactional email #marketing email #postmark #batch send

Ready to run

npx skills add https://github.com/KnoWhiz/DoWhiz --skill postmark-send-email

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: postmark-send-email
Source: https://github.com/KnoWhiz/DoWhiz/tree/main/DoWhiz_service/skills/postmark-send-email
Command: npx skills add https://github.com/KnoWhiz/DoWhiz --skill postmark-send-email

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill streamlines the process of sending transactional and broadcast emails through Postmark, handling everything from single messages to bulk campaigns.

Core Features & Use Cases

Multiple Sending Options: Supports single, batch (up to 500), template-based, and bulk email sends.
Message Stream Control: Ensures correct routing for transactional (outbound) and marketing (broadcast) emails to maintain deliverability.
Use Case: Send a personalized order confirmation email to a customer using a pre-defined template, including dynamic order details.

Quick Start

Use the postmark-send-email skill to send a single transactional email to '[email protected]' with the subject 'Welcome!' and plain text body 'Hello there!'.

Frequently Asked Questions about postmark-send-email

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

FAQPage Schema

How do I send transactional emails using the Postmark API?▼

You can send transactional emails via Postmark by specifying the outbound message stream, recipient address, subject, and plain text body to route your automated messages correctly for optimal deliverability.

Can I send batch emails with Postmark for bulk marketing campaigns?▼

Yes, you can send batch emails with Postmark by processing up to 500 messages simultaneously. This Skill supports bulk campaigns routed through the broadcast message stream to maintain marketing email deliverability.

How do I use templates with dynamic models for Postmark emails?▼

You can use template-based emails by assigning a pre-defined Postmark template and passing dynamic models to inject personalized content. This allows you to send customized order confirmations or broadcast messages efficiently.

Does Postmark support attachments and custom headers for outbound emails?▼

Yes, Postmark supports sending emails with file attachments and custom headers. This Skill includes configuration options for tracking and custom headers within your outbound and broadcast message streams.

When should I use the broadcast stream versus the outbound stream in Postmark?▼

Use the outbound stream for transactional emails like order confirmations and the broadcast stream for marketing emails. Separating message streams in Postmark protects your sender reputation and maintains high deliverability rates.