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Deliverability

Tips and strategies to ensure your email reaches its destination.

The art of inboxing

Email has changed the world because of its openness, ubiquity and asynchronicity. Unfortunately, these traits also attract malicious users that are out to abuse the beauty of...

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5 phishing email warning signs

When you get an email from a company that you recognize, you assume that the message you get is legitimate, why wouldn’t it be?. Unfortunately, scammers have gotten...

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Key takeaways from Mailgun’s State of email deliverability 2025

Why do some emails reach the inbox, some land in spam, and others are blocked from delivery? What can you do to improve your chances of getting messages into the inbox...

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How does email work? Decode the mysteries with our straightforward guide

What is email? Well, we know it’s a cheap, effective form of communication that is so widely used there’s an entire global infrastructure to support it. We rely on email for...

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How to leverage email inbox preview testing for seamless rendering and increased engagement

Email rendering across email clients and devices goes beyond “does it look good”. How your emails load and function affects user experience and engagement, which impacts...

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Email bounces: What to do about them

There are all sorts of reasons why an email might fail to be delivered and bounce back to the sender (also known as an SMTP Reply). Most of these reasons lie outside of your...

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Ignored emails have a low sending self-esteem

Building strong sending habits takes time and has a surprising impact on your sender reputation and overall deliverability. When emails get ignored, it impacts your...

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Protecting your domain reputation with DMARC

As someone who works in this wonderful world of email, I can tell you there are a few things that just make life miserable for everyone: spammers and phishers. The interwebz is still...

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Why list management matters for your email program

It seems like you can’t throw a rock into a pile of email list blogs without hitting a “new” list management technique. We know that this topic can be overwhelming – especially since...

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Spam traps: How to find them and keep them off your list

There are different types of traps for different creatures. Rat traps for rodents, bear traps for grizzlies, and spam traps for – you guessed it – spammers. Of course, an...

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