Installing MailWizz is one of the most cost-effective ways to manage self-hosted email marketing campaigns. However, a successful setup depends entirely on properly validating your purchase. If you are stuck on the activation screen or moving your installation to a new server, this comprehensive guide will walk you through the step-by-step process of installing and activating your MailWizz license key. 1. Locate Your MailWizz Purchase Code

Complete Guide to MailWizz License Key Installation and Activation

If you have root access to a server, the command line offers a fast and powerful approach. The steps below assume you are using a standard LAMP (Linux, Apache, MySQL, PHP) stack, which is often recommended.

If you need to update an expired key, move your installation to a new domain, or reactivate a backend lock, you can do so directly within the MailWizz dashboard. Through the Admin Dashboard Log into your MailWizz panel as an Administrator. Navigate to Settings in the left-hand sidebar menu. Click on the License tab.

This guide will walk you through the installation process and how to properly enter your license key to get your campaigns off the ground. 1. Preparing Your Installation Environment

Ensure your server has cURL enabled in PHP. Ask your hosting provider to ensure outbound traffic on ports 80 and 443 is open, and that it is not blocking ://mailwizz.com . Error: "License already in use on another domain"

: Ensure your server can connect to the MailWizz validation server, as the application validates the key during installation.

Enter your MySQL database name, username, and password. This connects your license-validated application to your data storage.