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Optimization Checklist

1

List Management

Maintain < 0.5% bounce rate
Remove inactive addresses quarterly

2

Content Strategy

Text-to-image ratio > 80:20
Avoid spam trigger words

3

Infrastructure

Dedicated IP for >100K emails/month
Warm-up new IPs over 2-4 weeks

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Key Metrics to Monitor

MetricIdeal Threshold
Open Rate> 20%
Click Rate> 2.5%
Spam Complaints< 0.1%
Bounce Rate< 2%