Key Install: Mailwizz License

The process of a MailWizz license key install is straightforward—enter your key and email, then verify. But as we’ve seen, server connectivity, domain matching, and expired keys can complicate things.

By following this guide, you can:

Remember: MailWizz is a self-hosted powerhouse. Treat your license key like the critical asset it is. Keep a copy in your password manager, document your domain associations, and set calendar reminders for annual renewals.

Now go ahead—install that license key and start sending smarter, more profitable email campaigns.


Have questions about your specific MailWizz license key install scenario? Drop a comment below or reach out to the official MailWizz support portal (remember, you need a valid license to access it!).

Last updated: October 2025. This guide is not affiliated with MailWizz Ltd. Always refer to the official documentation for the latest changes.

How to Install Your MailWizz License Key: A Step-by-Step Guide

Whether you are setting up a fresh installation of MailWizz or migrating your email marketing platform to a new server, properly activating your license key is the critical first step. Without a valid license key, you cannot access the dashboard, automate your campaigns, or receive essential security updates.

This guide will walk you through the installation process, troubleshoot common activation errors, and explain how to manage your license effectively. 1. Where to Find Your MailWizz License Key

Before you begin the installation, you need your unique Purchase Code. Log in to your Envato Market (Codecanyon) account. Navigate to the Downloads tab. Locate MailWizz and click the Download button. mailwizz license key install

Select License certificate & purchase code (available as PDF or Text).

Open the file and copy the alphanumeric string labeled "Item Purchase Code." 2. Installing the Key During Initial Setup

If you are installing MailWizz for the first time, the license key activation is part of the web-based installation wizard. Step 1: Upload Files

Upload the MailWizz files to your server via FTP or File Manager and navigate to ://yourdomain.com. Step 2: Requirements Check

Ensure your server meets all PHP and extension requirements. Click "Next." Step 3: License Activation You will reach a screen asking for your Purchase Code.

Email: Enter the email address associated with your purchase. Purchase Code: Paste the key you retrieved from Codecanyon. Marketplace: Select "Codecanyon."

Click Continue. The installer will communicate with the MailWizz API to validate the key. 3. Updating or Changing a License Key

If you already have MailWizz installed but need to update your key (for example, after buying a new license or moving from a trial), follow these steps: Log in to your MailWizz Backend (Admin) area. Navigate to Settings in the left-hand menu. Click on License. Enter your new purchase code in the field provided. Click Save Changes. 4. Common Installation Issues & Fixes "Invalid Purchase Code"

Double-check for spaces: Ensure you haven't accidentally copied a space at the beginning or end of the code. The process of a MailWizz license key install

One Code, One Domain: MailWizz licenses are generally for a single end-product. If the key is active on site-a.com, it will fail on site-b.com. "Could not connect to the license server"

This is usually a firewall issue. Your server needs to communicate with mailwizz.com to verify the key.

Fix: Ask your hosting provider to whitelist the MailWizz licensing API domain or check if cURL is properly enabled in your PHP settings. Moving to a New Domain

If you are moving your installation, you must reset the license. Log in to the MailWizz Customer Portal. Register your purchase code.

Use the "Reset" option to decouple the key from your old IP/Domain. 5. Why You Should Avoid "Nulled" Keys

You may find "nulled" or "cracked" versions of MailWizz online that claim to bypass the license key requirement. Using these is highly discouraged because:

Security Risks: Most nulled scripts contain backdoors or malware that can steal your subscriber data.

No Updates: You won't receive critical patches, causing your platform to break when PHP versions update.

Deliverability: If the script is compromised, your server IP will quickly be blacklisted, ruining your email deliverability. Conclusion Remember: MailWizz is a self-hosted powerhouse

Installing your MailWizz license key is a straightforward process that ensures your email marketing software remains secure and functional. Always keep your purchase code private and ensure your server has the necessary permissions to verify the license with the official servers.

Once MailWizz is installed, go to:

Backend → Settings → License Info

Direct URL example:
https://yourdomain.com/backend/index.php/settings/license


The purpose of this report is to document the standard operating procedure (SOP) for installing, activating, and troubleshooting a MailWizz license key. Proper license installation is critical to unlock application features, receive updates, and validate the legality of the software.

Use this if you cannot access the admin panel (e.g., license error locks you out).

SQL Example:

UPDATE mw_option SET value = 'YOUR-NEW-LICENSE-KEY-HERE' WHERE name = 'license';

For advanced users – this forces a license without DB change.

<?php
define('MW_LICENSE_KEY', 'YOUR-ACTUAL-LICENSE-KEY');

⚠️ This method overrides the DB; remove the line once you update DB license.