SendLayer Blog

Discover comprehensive methods for sending emails using JavaScript, whether through client-side or server-side implementations.

This guide covers essential techniques including Nodemailer integration, SMTP.js usage, and API implementations with SendLayer.

Whether you’re building a simple contact form or a complex email system, this guide offers practical solutions for both beginners and experienced developers. Includes working code samples and troubleshooting tips.

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Are you experiencing issues sending emails with Outlook.com, Hotmail.com, or Microsoft 365? Microsoft is phasing out Basic Authentication (username and password) in favor of OAuth (Modern Authentication) for third-party apps using SMTP, and it will be fully discontinued by September 2025.

In this guide, learn why these changes are happening, how they might affect your email setup, and what steps you can take to switch to Modern Authentication and keep your emails sending without interruption.

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Want to automate email sending in your Python applications?

Learn two powerful methods to send emails programmatically: Python’s built-in SMTP library and SendLayer’s API integration.

Follow this step-by-step guides for for details on how to send plain text emails, HTML content, attachments, and bulk messages.

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Ever notice your emails getting cut off with a “[Message clipped]” message?

This guide explains what causes email clipping, why it’s a problem for both marketing and transactional emails, and how to prevent it from happening to your messages.

Learn the key factors that trigger message clipping and get practical tips to avoid it.

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