Using a UTM builder for email marketing is straightforward. Here are the steps: 1. Select your URL: Choose the URL you want to track. 2. Fill in the UTM parameters: Using the UTM builder, enter the source, medium, campaign, and any optional parameters. 3. Generate the URL: The builder will create a URL with the UTM parameters appended. 4. Insert the URL into your email: Use this tagged URL in your email campaign.