Mailgun blog
Helpful articles to optimize your email program.
The golden age of scammers: AI-powered phishing
Long live the prince of Nigeria, he had a good run. Gone is the age where scammers wield the same mediocre power as a snake oil salesman, reliant on their own persuasion and...
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“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...
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5 reasons transactional emails are unsung heroes of the customer experience
Some heroes have songs written about them. Folk heroes of the railroad like Casey Jones and John Henry get ballads. Princess Diana and Marilyn Monroe share an Elton John...
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Navigating global data compliance and regulations in 2024
Protection from loss, theft, and corruption – these are the goals of data privacy regulations. Adhering to these regulations makes you a trusted sender but it takes...
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Key takeaways from Sinch Mailgun’s Email and the customer experience 2024
No one denies that email is an important connecting point between businesses and consumers as well as applications and users. Now, a new study shows just how crucial...
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Which SMTP port should I use? Understanding ports 25, 465 & 587
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...
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What’s coming for email in 2024
If you’re a frequent Mailgun reader, you’ll know we always try to help our customers with some email predictions for the year ahead. And, let’s be honest, some years are harder than others...
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Black Friday & Cyber Monday 2023: Unleashing the power of email
The holiday season is like a grand stage for email senders, and nothing steals the spotlight quite like the Black Friday and Cyber Monday weekend. Shopping is on the rise in 2023...
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Six deliverability strategies to keep you off ISP naughty lists this holiday season
Old Kris Kringle’s not the only one who makes a list and checks it twice. ISPs are notoriously scrupled when it comes to evaluating senders on their way to the inbox. While...
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The best time to send holiday emails – investigated
In the email marketing space, you'll hear a lot about the best time to send emails around Black Friday and Cyber Monday (BFCM), Christmas, and any other peak date during the...
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