Mailgun blog
Deliverability
Tips and strategies to ensure your email reaches its destination.
Microsoft Outlooks new sender requirements: What you need to do by May 5
If you thought you were finally getting a break from the sender requirement conversation after the industry shift brought by Google and Yahoo last year, not quite. Microsoft is stepping up to the plate. In its April 2, blog, Microsoft announced new...
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How to implement DMARC – A step-by-step guide
Email spoofing is rampant across the internet. Fraudulent emails come in the form of scams, ransomware, and even stock-market manipulation. We see companies lose...
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Deliverability Academy episode 1 recap: Master the basics
Deliverability is all about getting your messages to
actually reach the inbox
(and not the spam folder). It takes more than just hitting “send.” In Mailgun’s inaugural Deliverability Academy webinar Mastering the Basics, our email experts pulled back the curtain on what it takes to achieve great email deliverability...
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Master email deliverability with Mailgun’s new webinar series
Email success isn’t just about hitting send – that’s why we’re launching
Deliverability Academy
—a new webinar series designed to equip you with the knowledge and tools to get your emails where they belong...
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Prevent your emails from going to spam: Plus 10 tips to fix it
Emails that land in the spam folder end up wasting all of that time and effort from your email marketing program – and they certainly won’t get any results. Sometimes, it can...
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What is SMTP and how does it work?
SMTP, though a pillar of email delivery, often gets lost in the jumble of tech terms and acronyms. But if you're ready to send impactful emails, this is one of those acronyms that...
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What is DKIM: Learn how it works and why it’s necessary
Are you who you say you are, or are you a spoofer in disguise? Answering this question is what DKIM is all about. As email usage and capabilities continue to grow, it’s important to...
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Email marketing deliverability: Whose job is it anyway?
Your business depends on being able to connect with people via email. That’s true for both transactional messages and promotional campaigns. But who is ultimately responsible for making sure those messages reach the inbox ...
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Key takeaways from Mailgun’s State of email deliverability 2025
Changes from major mailbox providers thrust the topic of email deliverability best practices into the spotlight over the last year. Our new, interactive report
State of email deliverability 2025
shows there are signs of improvement, but...
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Spam filters & deliverability: What mailbox providers expect from email senders
How can you use sending best practices to stay on the good side of mailbox providers’ spam filters – and make it into the inbox?...
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