Mailwizz License | Key Work

| Feature | Without License Key | With Valid License Key | |--------|--------------------|------------------------| | Manual updates (upload files) | ✅ Yes | ✅ Yes | | One-click automatic update | ❌ No | ✅ Yes | | Support ticket access | ❌ No | ✅ Yes | | Background update checks | ❌ No | ✅ Yes | | Daily cron job update checks | ❌ No | ✅ Yes |

Without a valid license, MailWizz still works 100% for sending campaigns. You only lose automatic updates and official support.

If you have a yearly license and do not renew, the license key will continue to work for a grace period (usually 7-14 days). After that:

To restore functionality, you must either renew your license or enter a new valid license key. mailwizz license key work

✅ Do:

❌ Don’t:

A key point in understanding how a MailWizz license key works is realizing that validation is not a one-time event. MailWizz re-validates your license key periodically via a cron job (usually every 24 hours). | Feature | Without License Key | With

If the license server stops responding or returns "invalid," MailWizz will eventually disable sending capabilities and show a warning in the admin panel.

Important: The cron job that handles license validation is typically the same one that processes email sending. If you disable or block outbound connections to mailwizz.com, your license will stop working.

Once validated, the license key is stored securely on the user's server: Without a valid license, MailWizz still works 100%

A: As long as all servers behind the load balancer share the same database and the domain name is consistent, a single license key works fine. No per-server licensing.

Symptom: “Invalid license key” immediately after pasting.

Why it happens: Copy-paste errors, extra spaces, or using a key from a different product (e.g., MailWizz extension key instead of main app key).

Solution: Re-copy the key from your customer dashboard. Ensure no leading/trailing spaces.