Change how often Joomla sends "Joomla update available for Website" emails

This guide will show you how to change Joomla update notifications from every 6 hours to 24 hours to reduce the number of notification emails you get.

Joomla sends a notification email when a new update is available. That's a good thing because keeping your website up to date with the latest bug fixes and security updates is best practice. 

However, Joomla will send an email every 6 hours to notify you that updates are available if you manage a few websites that can generate a lot of emails and you'll keep getting emails every 6 hours until you upgrade Joomla!

Joomla v3, example "Joomla! Update available for Website" email

Change Joomla Update Notifications

System - Global Configuration

Installer - Preferences

Updates Caching (in hours) 24