1. Clear Communication: Set clear expectations with clients and stakeholders about campaign goals, timelines, and deliverables. 2. Compliance with Laws: Ensure compliance with email marketing laws like CAN-SPAM Act, GDPR, and CASL. 3. Transparency: Be transparent about how you collect, store, and use recipients' data. 4. Opt-In and Opt-Out Mechanisms: Implement clear and easy-to-use opt-in and opt-out mechanisms to respect recipients' preferences. 5. Quality Assurance: Regularly review and test email content for accuracy and relevance.