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Amy · 12 min read
Ultimate guide: Transactional email explained (what, why and how)

Step aside promotional emails: there’s a new MVP in town. Transactional email is a key element of the customer experience. In this guide, we’ll explore why transactional emails are so important, key concepts and use cases, and how to start sending them.

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Amy · 11 min read
How email verification can optimize your transactional email sending

Transactional communication is a key element of your user experience—but how can you be sure that you’re reaching each recipient and that your deliverability is up to scratch? Email verification can help.

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Ramūnas · 4 min read
How to validate email addresses with PHP: 3 methods explained

Nobody wants a bunch of user registrations with invalid email addresses. With PHP email validation, you can stop those signups in their tracks.

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Ramūnas · 20 min read
Guide: How to send emails in PHP (with examples)

PHP is a popular way to create dynamic web apps and send transactional emails. Learn how you can send different types of emails using the PHP mail() function as well as with MailerSend’s email API.

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Ramūnas · 7 min read
Guide to sending SMS messages from your Node.js application

Node.js is a fast and lightweight programming language, making it a solid option for sending time-dependent SMS text messages. Combined with a reliable SMS API, you can quickly start sending transactional messages from your application.

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Amy · 16 min read
7 email marketing software platforms we like the look of in 2025

There are hundreds of email marketing tools on the market—how on earth do you begin to compare and choose the right one? With MailerSend’s email expertise plus some research and testing, I’ve narrowed down some of the top solutions for 2025.

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Amy · 13 min read
Make your email system more efficient with bulk email sending

Transactional emails are sent as soon as they’re triggered by recipients, but sometimes sending a batch of emails is preferred to make better use of resources or send messages at a more optimum time.

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Amy · 11 min read
What are email webhooks and how can you use them?

Webhooks simplify the monitoring of email performance and the sharing of activity between programs for more efficient workflows. Here’s an overview of how you can use webhooks to optimize your email system.

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Amy · 16 min read
How to send SMS with Java (with code examples)

Java is a strong choice for sending SMS thanks to its stability, platform independence, and support for the majority of SMS gateways.

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