> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mailofly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

# SMTP Gateway Overview

Mailofly offers a high-performance SMTP relay service that allows you to plug Mailofly directly into any framework, CMS, or legacy software without code refactoring.

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## Connection Credentials

| Setting            | Value                                             |
| :----------------- | :------------------------------------------------ |
| **SMTP Host**      | `smtp.mailofly.com`                               |
| **Port**           | `587` (STARTTLS - Recommended) or `465` (SSL/TLS) |
| **Username**       | `mailofly` (or your organization API key ID)      |
| **Password**       | Your secret Mailofly API Key (`mfly_live_...`)    |
| **Authentication** | `PLAIN` or `LOGIN`                                |

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## Deliverability & Tracking via SMTP

All emails sent through the SMTP gateway receive:

* Automatic DKIM signing.
* Real-time entry in your dashboard **Activity Logs**.
* Open and click tracking (if configured).
* Webhook event emission (`email.sent`, `email.delivered`, `email.bounced`).

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## Framework Guides

* [Node.js (Nodemailer)](nodemailer.md)
* [PHP (Laravel Mail)](laravel.md)
* [PHP (PHPMailer)](phpmailer.md)
* [Supabase Auth SMTP](supabase.md)


## Related topics

- [Introduction](/sending/introduction.md)