Implementing where clauses typically involves using an email marketing platform that supports advanced segmentation. Most modern platforms like Mailchimp, HubSpot, and ActiveCampaign offer features that allow you to create complex rules and criteria for your email campaigns. Here are the general steps:
Collect and organize your subscriber data Define your segmentation criteria Use your email marketing tool to create segments based on the defined criteria Craft your email content to match the interests and behaviors of each segment