Mailchimp does not rig open rates. Mailchimp uses tracking pixels to monitor email opens. These pixels activate when recipients load the email. You may see variations in open rates due to user behavior. Some email clients block images or tracking pixels. This action affects the accuracy of open rate data. Mailchimp provides transparent reporting tools. You can use these to evaluate your campaign's performance. Mailchimp also relies on sender reputation and email deliverability. These factors impact how many people see your email. You should focus on improving subject lines and targeting. Always analyze the data critically for better insights.