Email

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...

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...

It's a common question that we receive here at Sinch Mailgun about SMTP port numbers. To ensure connectivity to our Simple Mail Transfer Protocol (SMTP) endpoint, Mailgun...

Styling HTML email templates is painful. Tables, inline CSS, unsupported CSS, desktop clients, web clients, mobile clients, and various device sizes are all things that influence...

SMTP, or

, is the language servers use to talk to each other when sending emails. When something breaks during that conversation, the server returns a code to explain what happened. These

offer valuable insights, helping you figure out what went wrong and how to fix it...

Sending good email isn't just about sharp copy or eye-catching design. If mailbox providers don’t trust your domain, your messages won’t land where they should. Domain reputation plays a big role in getting to the inbox, and too many senders ignore it until there’s a problem...

In this guide, we’ll cover everything from the MTA basics to advanced strategies for building modern email infrastructure. Plus, we’ll give you actionable tips and ...

Accessibility matters, not just because of legal requirements like the upcoming EAA (don’t worry, we’ll explain), but because it's the right thing to do. We’re recapping our latest episode of

Emails Not Dead...