Top 10 Popular PHP Email Libraries on GitHub

Email functionality is essential for productivity, and many robust PHP email libraries are available on GitHub; this article curates ten of the most popular projects.

PHPMailer is a powerful PHP mailing library supporting SMTP, queues, attachments, and HTML emails. https://github.com/PHPMailer/PHPMailer

Swift Mailer offers a simple API with SMTP, queue, and attachment support, backed by good documentation and an active community. https://github.com/swiftmailer/swiftmailer

PHP-IMAP provides IMAP and POP3 handling, enabling email reading, parsing, and attachment processing, suitable for mail clients or automation. https://github.com/barbushin/php-imap

PHP-Email-Validation validates email address formats and domain existence to reduce invalid mail sending. https://github.com/egulias/EmailValidator

OpenEMM is an open‑source email marketing system with templates, recipient management, and bulk sending capabilities. https://github.com/agnitas-org/openemm

PHPMailer-Queue extends PHPMailer with a queue system for handling large volumes of email tasks. https://github.com/beam/action-mailer-queue

Mailgun-PHP wraps the Mailgun API, offering easy sending and receiving of emails through Mailgun services. https://github.com/mailgun/mailgun-php

PHP-Email-Template generates HTML email templates with a rich set of features and a simple API. https://github.com/jasondavis/PHP-Email-Template-Parser-Class

PhpSmtpMail is a lightweight PHP SMTP class for quick email sending with attachment and HTML support. https://github.com/ozkanomer/PHPsmtpMail

PHPMailAPI provides an API for receiving, parsing, and processing emails, useful for building mail handling systems. https://github.com/Venkimut/phpMAILapi

These ten projects offer diverse functionalities—from sending and receiving to validation and templating—enabling developers to enhance their email capabilities efficiently.