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Top 7 PHP SMTP Projects
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Project mention: Enable OAuth2 (XOAUTH2) for Sending Emails Using Gmail Account in OJS 3 | dev.to | 2025-05-01
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Cypht
Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)
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magento2-gmail-smtp-app
Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
PHP SMTP discussion
PHP SMTP related posts
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Enable OAuth2 (XOAUTH2) for Sending Emails Using Gmail Account in OJS 3
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Deliver Emails Safely with PHP: A Guide to Using SMTP for Spam-Free Emails
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Easy PHPMailer Tutorial: Build an Email System in No Time [2024] ✉🚀
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What to use besides contact form?
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Help submitting simple contact form with php
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Klagemauer für Microsoft-Geschädigte?
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Opinions on setting up email that integrates well with nextcloud?
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A note from our sponsor - SaaSHub
www.saashub.com | 25 Jun 2025
Index
What are some of the best open-source SMTP projects in PHP? This list will help you:
# | Project | Stars |
---|---|---|
1 | PHPMailer | 21,541 |
2 | Cypht | 1,118 |
3 | magento2-gmail-smtp-app | 326 |
4 | eventum | 158 |
5 | WP_Mail | 92 |
6 | post-to-email | 18 |
7 | commie2 | 10 |