Back to main menu

Mailgun blog

Email

Helpful articles to optimize your email program.

Top 6 SendGrid alternatives

If you’re looking for a new ESP, this post breaks down six top-tier SendGrid alternatives. We’re looking at things like reliable email APIs, transactional messaging features, and varying levels of deliverability tools. Whether you need...

Read More

5 best email service platforms with free plans

We’ve evaluated five of the most reliable email service platforms offering free tiers. Each provider has a different take on what “free” means, so we’ve broken it down for clarity.

Read More

“Email failed to send” – understanding the error message?

Let’s say you’ve integrated your app with email functionality, designed some great email content, developed a marketing strategy, and you think you’re good to go. But then you...

Read More

Deliverability academy episode 2 recap: New rules, same inbox

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...

Read More

Email icon

Keep me posted! Get the latest from Mailgun delivered to your inbox.

Send me the newsletter. I expressly agree to receive the newsletter and know that I can easily unsubscribe at any time.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

B2B vs. B2C email engagement and deliverability challenges: What really works in 2025

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...

Read More

The basics of email subdomains

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...

Read More

How to improve email deliverability for transactional emails

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...

Read More

Webinar recap: What the European Accessibility Act means for email

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...

Read More

Your guide to using webhooks

You already know that email isn’t a send-and-forget thing. When you’re sending a message, you want to know how to track it and respond to any issues, right? After all...

Read More

See what you can accomplish with the world's best email delivery platform. It's easy to get started.Let's get sending
CTA icon