Musings and writings from the Mailgun team

Recent Articles

Weekly product update: validate DNS ...

We recently told you about our two newest APIs both in private beta: Domains and Webhooks. We’ve seen a lot of interest so far and gotten some good feedback. Thanks! If you want to try them yourself, just send an email to with your Github handle and we’ll add you. This week’s product update–DNS […]

  • 2 min read
  • July 5, 2013
How Geogram built a free group email service using Yii for PHP with MySQL

How Geogram built a free group email...

This post was written by Jeff Reifman. Jeff is technology consultant and writer living in Seattle. He is also the CEO and lead developer of Geogram, a free group email service for local places. You can follow him at @reifman. Geogram provides free group email service for your block, your neighborhood and your favorite places. […]

  • 10 min read
  • June 26, 2013

Weekly product update: Manage your w...

We usually publish a weekly update on Friday, but this week, we didn’t want to wait till then to tell you what you can start doing with Mailgun today. We’ve just released our new beta webhook API so that you can programmatically manage webhooks for all your domains! Our new webhook API, now in private […]

  • 2 min read
  • June 25, 2013

Weekly product update: improved noti...

Mailgun lets you send millions of emails per month, but for a lot of developers building the next world-dominating app, that’s a few too many to start. So to make your life easier if you’re using our 200 email/day free plan for testing and development or a platform like Heroku or EngineYard that places a […]

  • 2 min read
  • June 21, 2013

Weekly product update: Try our new D...

Recently, we’ve been working on our newest API to make it easier for customers to automate their email. After working with a select set of alpha customers, today we’re ready to extend the API to a larger group of beta testers. So, say hello the Domains API. Using multiple domains in your Mailgun account Many […]

  • 2 min read
  • June 14, 2013

Weekly product update: Increased cha...

This week, we’ve worked on a few features that customers had been requesting. Specifically, we increased the character limit for link rewriting and added a new account management feature to make it easier to downgrade to a free plan. Link rewriting now supports urls up to 1000 characters One of our awesome customers recently came […]

  • 2 min read
  • June 7, 2013

Weekly product update: Tips for conf...

We like to keep you up-to-date with what’s happening at Mailgun each week, but sometimes the projects we’re working on are all in the Research & Development phases and we don’t have much to share. That happened this week, so nothing big to report. But that doesn’t mean we haven’t been busy. Since Mailgun customers […]

  • 3 min read
  • June 1, 2013

Weekly product update: Access Mailgu...

You may remember that Mailgun was acquired by Rackspace back in August of last year. So far, we think the acquisition is going great: we’re still developing on the product as much as ever, we love the Rackspace team, and thanks to our awesome customers, we’re growing really fast (more than doubling our email volume […]

  • 2 min read
  • May 24, 2013

Weekly Product Update: Improved repu...

This week we’ve rolled out a significant improvement to our reputation algorithm, affectionately known to the Mailgunners as Razor. In today’s blog, we’ll tell what you’ll start noticing about the changes, and some of the background around why we designed the system this way (and why it is good for our customers). We also just […]

  • 3 min read
  • May 17, 2013
Inside the seedy underworld of spammers and phishers

Inside the seedy underworld of spamm...

This week we announced some improvements to our reputation algorithm which helps us fight spam while still welcoming new customers without setting arbitrary sending limits. The biggest challenge in creating the reputation algorithm was how to distinguish between these good customers (who we love) and malicious spammers and phishers (who we hate). Turns out, despite […]

  • 6 min read
  • May 17, 2013

Stay up-to-date with our blog & new email resources

Integrate email into your app
in minutes with our API

Sign up free

Want better deliverability?
Learn more about our managed email service.