Mailgun blog

Deliverability

Tips and strategies to ensure your email reaches its destination.

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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The basics of SPF records

SPF doesn’t refer to how long you can wait before you have to reapply your sunblock (seriously, go get some). Instead, the term “SPF” refers to a security measure that helps...

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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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What is inbox placement and how is it calculated?

Email deliverability sometimes feels like a mirage. Your messages go on a long journey from your mail server to your subscribers’ inboxes. But it’s the last part of that journey that...

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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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The dirty truth about email lists and how to scrub them with email list cleaning

Pardon our French, but nothing delivers a bigger sucker punch to your deliverability than a dirty email list. Email lists aren’t just for organizing and storing contacts, they are the...

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