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Over the past few weeks, a rising number of Mailgun customers (and industry peers across other ESPs) have encountered bounce messages. In short:

And when it fails, Outlook blocks the message, even if it meets standard DMARC policy of p=none...

If you're still treating deliverability like an afterthought, your emails probably aren't landing where you want them to. In the second episode of Mailgun’s Deliverability Academy, hosts Natalie Hayes and Alison Gootee bring their expertise...

Email authentication lets mailbox providers know that you’re a trusted sender – that you are who you say you are. As a Technical Account Manager at Mailgun, I’m constantly...

B2B and B2C recipients don’t just behave differently – they prioritize different outcomes, respond to different signals, and operate in entirely different decision cycles. And with new deliverability requirements...

In this article, you'll learn how to build a transactional email workflow for shipping notifications using

. The workflow will incorporate

, a powerful job queue system, to queue and process...

When it comes to email sending, sometimes you need more than the press of a button to get your message across. You may have heard of email subdomains, but you may be...

Transactional emails are something that everyone with an email address has received at least once in their life. But not everyone understands what they are, how they’re used, or...

Starting June 28, 2025, the European Accessibility Act (EAA) will require digital services, including emails, to be accessible to people with disabilities. To help teams prepare, Mailgun and Mailjet hosted a webinar that unpacked what the EAA is, who it affects, and how...

Imagine this scenario — you’re a sender that is sending massive amounts of email left and right from the same domain without a care in the world about your reputation. Maybe...

As an email service provider (ESP) we know how layered the email world can be. To be a successful sender, you must master everything from email deliverability, to ROI, email...