Key points
- SPF/DKIM/DMARC set correctly
- Clean list
- No spammy content patterns
- Healthy reputation
- Consistent volume
How to do it
- Authenticate domain
- Verify From name/address
- Clean list
- Balance text/images
- Include unsubscribe
- Test before big sends
- Monitor reputation
- Warm up new domains
Common mistakes
- Skipping authentication
- Image-only emails
- No unsubscribe link
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