Yes! NexMail is completely free and open-source software licensed under AGPL v3. You can use, modify, and distribute it freely. We believe in open-source software and user freedom.

What is NexMail?

NexMail is a modern, self-hosted webmail client that provides a beautiful interface for managing your email accounts. It's designed for individuals and teams who want full control over their email experience.

Who is NexMail for?

NexMail is ideal for:

Individuals wanting a privacy-focused email client
Businesses needing custom branding and control
Developers and tech enthusiasts who prefer self-hosted solutions
Organizations requiring multiple account management

📧 Email & Compatibility

What email protocols does NexMail support?

NexMail supports standard email protocols:

IMAP for receiving emails
SMTP for sending emails
Supports SSL/TLS encryption for secure connections

Can I use NexMail with Gmail?

No. Gmail and other major providers like Outlook often use non-standard IMAP implementations that don't fully comply with RFC standards. NexMail works best with standard-compliant email servers.

Can I use NexMail with Proton Mail?

No. Proton Mail requires their proprietary bridge software for encryption/decryption, which isn't compatible with standard IMAP clients like NexMail.

What email servers work with NexMail?

NexMail works with standard-compliant email servers like:

Stalwart
Mail in a box
Mailcow
Postfix + Dovecot setups
cPanel/WHM email systems
Zimbra
iRedMail
And other RFC-compliant IMAP/SMTP servers

How many email accounts can I add?

You can add multiple email accounts and switch between them seamlessly. There's no hard limit - it depends on your server's capacity.

🛠️ Installation & Setup

What are the system requirements?

PHP >= 8.2
Node.js >= 20.x
Redis for caching
MySQL/MariaDB database
Web server (Apache/Nginx)

Is there a demo available?

You can check our website for more information about the demo.

Do you provide installation support?

We provide comprehensive documentation for installation. For professional setup assistance, contact us at [email protected].

🎨 Customization

Can I change the logo and app name?

Yes! Administrators can customize:

Application name
Logo
Favicon

Directly through the admin interface without touching code.

Is dark mode available?

Yes! NexMail supports both light and dark themes, and users can switch between them.

Can I customize the interface further?

Advanced customization requires modifying the source code, which is permitted under our AGPL v3 license.

It is allowed to customize the About popup with your company information through a configuration override. It falls under commercial license. Reach out to us for further discussion.

🔒 Security & Privacy

Is my email data secure?

NexMail doesn't store your emails - it acts as a client that connects to your email server. Your data remains on your own infrastructure.

Do you collect any user data?

No. NexMail is self-hosted, meaning all data stays on your servers. We don't collect any user information.

How often is NexMail updated?

We regularly release security updates and new features. Subscribe to our releases to stay updated.

💝 Contributing & Support

How can I contribute to NexMail?

There are several ways to contribute:

Report bugs and issues
Submit feature requests
Create pull requests with improvements
Improve documentation
Donate to support development

Where do I report bugs?

Please report bugs on our issue tracker with detailed information about the problem.

Can I request new features?

Yes! We welcome feature requests. Please check existing issues first, then create a new one with your suggestion.

Do you accept donations?

Yes! Donations help us dedicate more time to NexMail development. You can support us via Patreon.

🔄 Migration & Data

Can I migrate from other webmail clients?

Yes, since NexMail uses standard IMAP, your emails remain on your server. You can use NexMail alongside or instead of other clients.

What happens to my emails if I uninstall NexMail?

Your emails remain safely on your email server. NexMail is just a client interface - uninstalling it doesn't affect your stored emails.

Is there data loss risk?

No. NexMail doesn't modify or delete emails from your server unless you explicitly choose to do so.

🚀 Features & Usage

Does NexMail support email folders?

Yes! You can create, rename, delete, and organize emails in folders.

Can I manage contacts in NexMail?

Yes! NexMail includes full contact management with tagging, favorites, and search capabilities.

Is there a mobile app?

Currently, NexMail is web-based and works on mobile browsers. A dedicated mobile app may be considered for future releases.

Does it support email signatures?

Yes! You can set different signatures for each email account.

Can I view email headers and raw messages?

Yes, users can view complete email headers and raw message content for debugging purposes.

📄 Licensing

Can I use NexMail for commercial purposes?

Yes, under the AGPL v3 license. For proprietary deployments or commercial licensing options, contact us at [email protected].

Can I modify NexMail for my needs?

Yes! The AGPL v3 license allows modification and distribution, provided you comply with the license terms.

Didn't find your question? Contact us at [email protected] or create an issue in our repository.

Frequently Asked Questions

🤔 General Questions

Is NexMail free to use?