Transparency: Always be clear about who you are and why you are contacting the recipient. Provide accurate information about your products, services, and promotions. Permission-Based Marketing: Only send emails to individuals who have explicitly opted in to receive them. Avoid purchasing email lists, as they often contain unverified and uninterested contacts. Accurate Subject Lines: Your subject line should accurately reflect the content of the email. Misleading subject lines may increase open rates in the short term but can harm your reputation and lead to higher unsubscribe rates. Content Relevance: Ensure that the content you send is relevant to the recipient. Segment your email list based on demographics, past behavior, and preferences to deliver targeted content. Unsubscribe Options: Always include a clear and easy-to-find unsubscribe link in your emails. Respect unsubscribe requests promptly to avoid potential complaints and legal issues.