email-deliverability
Installation
SKILL.md
plugin: instantly updated: 2026-01-20
Email Deliverability
Deliverability Fundamentals
Key Metrics
| Metric | Healthy | Warning | Critical |
|---|---|---|---|
| Bounce Rate | <2% | 2-5% | >5% |
| Spam Complaint Rate | <0.1% | 0.1-0.5% | >0.5% |
| Inbox Placement | >95% | 80-95% | <80% |
| Sender Score | >80 | 60-80 | <60 |