How to Send Email from Localhost with PHP Using PHPmailer Gmail SMTP and Resend (2026)
In this 2026 PHP tutorial, you’ll learn how to send emails from localhost using PHP with PHPMailer, Gmail SMTP, and Resend — without relying on the outdated mail() function.
Sending emails from a local PHP environment used to be stressful due to SMTP errors, blocked ports, and Gmail restrictions. In this video, I’ll walk you through modern, reliable methods to send professional emails from localhost using industry-standard tools.
In this tutorial, you’ll learn:
How to send emails from localhost using PHPMailer
How to configure Gmail SMTP with App Passwords
How to send emails without SMTP using Resend
Proper PHP project structure for email handling
Using environment variables for security
Building a clean contact form
Avoiding common email delivery issues in PHP
Best practices for PHP email sending in 2026
Downloads & Resources
PHPMailer (Official GitHub):
https://github.com/PHPMailer/PHPMailer
PHP (Official Website):
https://www.php.net/downloads.php
Similar PHP Project (Free Source Code)
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About PHP
PHP is a powerful server-side scripting language used for building dynamic websites and web applications. It is widely used for backend development, form handling, authentication systems, APIs, and email services. PHP remains a top choice in 2026 due to its simplicity, performance improvements, and strong ecosystem.