Opt for reputable email marketing services designed for bulk campaigns.
Ensure a recognizable sender name and a legitimate email address.
Create compelling and relevant subject lines to encourage opens.
Use personalization tokens for addressing recipients by name.
Group recipients based on preferences, behavior, or demographics.
Include a concise and compelling call-to-action in your emails.
Test and ensure your email design is compatible with Outlook.
Provide a clear and easy way for recipients to unsubscribe.
Track metrics like open rates, click-through rates, and unsubscribe rates.
Conduct small-scale tests before sending large campaigns.