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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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Introducing engagement data for validations: reveal authentic engagement trends with predictive data
Sinch Mailgun’s latest release is an all-new validation criteria that leverages the past to give you a glimpse into the future. If you’re thinking this sounds too good to be true, we...
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Email validation – Why is it vital for your inbox?
We all have those moments when we get nervous and need to double-check ourselves. Did we fill in the right answer bubbles on a test? Did we type in the right password when...
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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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We went to Unspam! Here’s what we learned
Here’s how Really Good Email’s describes Unspam, A rebel conference for email folks who hate boring conferences… unexpected, unconventional, and unforgettable. We know that...
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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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Email authentication: Your ID card for sending
Email authentication lets mailbox providers know that you’re a trusted sender – that you are who you say you are. As a Technical Account Manager at Mailgun, I’m constantly...
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Email hard bounces: The brick walls of failure
We’ve talked a lot about email bounces and email bounce rates as a whole in the past before, but we’ve really only ever dipped our toes into the different types of bounces...
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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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