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The best email APIs in-depth review and comparison
In 2025, email APIs have become indispensable for businesses looking to streamline their communication processes. These APIs not only automate sending and tracking emails but also ensure high deliverability and compliance with global standards. Whether you're a developer or marketer, the right email API can significantly...
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How to optimize your email strategy for 2025
Email is the digital cornerstone of communications between brands and consumers. Yet in 2025, ensuring emails reach the inbox – not just get sent – is more challenging than ever. Evolving mailbox provider rules...
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The 5 best email API services in 2025
In 2025, email APIs are critical for businesses aiming to automate large-scale communications while ensuring top-notch deliverability and compliance. Developers and marketers alike need solutions with reliable infrastructure, developer-friendly tools, and integrations to support...
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IMAP vs POP: What’s the difference?
We’ve talked about how email works and how email protocols facilitate the transfer of your emails along the way, from when you hit send to when your subscriber reads your email...
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The European Accessibility Act: What you need to know
Accessibility matters. Whether you’re a business leader or a software developer, ensuring your products and services are accessible isn’t just good practice—it’s also becoming a legal requirement across the European Union with the European Accessibility Act (EAA), a game-changing directive ...
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Announcing new analytics features to maximize your email performance
Navigating email analytics has never been easier than with our latest updates. Advanced data analysis, faster performance, and better data management tools have been released...
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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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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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Verifying emails using Python 3.9+ and the Mailgun API
Mailgun's Bulk Email Validation API is designed to make email verification both scalable and efficient. With it, developers can validate entire lists of email addresses, checking...
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Reading Time: 11 min

Rajkumar Venkatasamy
Rajkumar has nearly sixteen years of experience in the software industry as a developer, data modeler, tester, project lead, product consultant, data architect, ETL specialist, and technical architect. Currently he is a principal architect at an MNC. He has hands-on experience in various technologies, tools, and libraries.
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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