Product news

• Making AI assistants better at email: Postmark's new documentation tooling
• New: We made Pro and Platform tier features accessible to lower-volume email plans
• Postmark Labs: Teaching AI to speak email with our new MCP server

2024

• Announcing the Postman Collection for Postmark

2023

• Experimentation weeks: How serving our support team leads to a better customer experience
• Introducing the Postmark Retention Add-on

2022

• Introducing the Postmark App for ActiveCampaign
• Introducing the Postmark App for Stripe
• Take Postmark’s SMTP Field Manual for a spin
• Postmark and DMARC Digests have been acquired by ActiveCampaign

2021

• Expanded support for using Broadcast Message Streams via SMTP
• New in Postmark: Sandbox Mode
• Brand new ways to use Postmark and Zapier
• Message Streams Office Hours: Recap and Q&A
• How to reliably deliver Craft emails with the Postmark plugin

See more in Product news →

Email delivery

2024

• An introduction to inbound email parsing (What it is, and how you can do it)
• List-unsubscribe headers: Here’s everything you need to know

2023

• Your 2024 guide to Google & Yahoo’s new requirements for email senders
• Tutorial: how to retrieve large datasets with the Messages API and node.js
• 5 Amazon SES alternatives, recommended by... an Amazon SES competitor?!
• Can you send bulk/marketing email with Postmark? Yes!
• 5 Mailgun alternatives, recommended by... a Mailgun competitor?!

2022

• 5 SendGrid alternatives, recommended by... a SendGrid competitor?!
• Sending promotional emails with Message Streams, explained
• Tutorial: how to dynamically add content to a Postmark Template
• What is transactional email and what is it used for?
• Why you can’t use a Gmail or Yahoo address to sign up for Postmark
• How email forwarding can break DMARC
• Why most email providers have deliverability issues (and how we’re different)
• Why recipients marked your email as spam, and how to fix it

See more in Email delivery →

Engineering

• How to keep your Postmark account secure: Best practices guide
• Information Regarding Malicious "postmark-mcp" Package

2023

• How to use Postmark as your SMTP email provider with Mastodon
• ActiveCampaign Hackathon Highlight: Postmark and AI

2022

• Increasing Postmark's capacity: A parable of pipes

2021

• Goodbye Colocated Data Centers: How We Moved Postmark to AWS

2019

• Managing your Postmark templates with Github using Travis CI or CircleCI
• How to handle duplicate events in your code (or, why idempotency is important)
• How we use productboard to improve our product planning process

2018

• Enforcing user Do Not Track preferences on your website

2017

• Syntax highlighting code samples in HTML emails
• Better QA through automated user experience monitoring

2016

• How we built link tracking to be reliable, fast, and secure
• From roadmap to shipping: effective product management for remote teams

2015

• MailHandler — A stopwatch for email delivery

See more in Engineering →

Newsletter

2023

• Data quality, marketing automation, and an under-appreciated feline
• TLD operators, API calls, and some authentically cute pets
• Plain-text emails, friendly vs. formal tone, and a must-buy printer
• ChatGPT & other spam traps, the Status API, and some lovely tunes
• Writing readable code, sending emails fast, and EEAAO

Challenge

• How a developer built an email-controlled Game Boy emulator with Postmark (because why not?)
• Our favorite submissions from the Postmark Challenge: Inbox Innovators
• Announcing the Postmark Challenge: Inbox Innovators