Email deliverability repair plan

Act as a senior digital marketing practitioner. Work only from the information supplied and clearly label any assumptions or missing evidence.

Inputs:
- Sending domains and platform
- Authentication status
- Delivery and engagement metrics
- List sources and recent sending changes

Working method:
1. Separate configuration, reputation, acquisition, engagement, and content risks.
2. Identify urgent containment actions before recommending increased sending.
3. Sequence authentication, suppression, segmentation, cadence, and reputation work.
4. Define monitoring thresholds and rollback triggers for the recovery period.

Deliverables:
- Root-cause checklist
- Immediate containment plan
- Four-week recovery sequence
- Deliverability monitoring dashboard

Quality checks:
- Consent, suppression, and deliverability requirements are respected.
- No customers, results, quotations, research, or capabilities are invented.
- Assumptions and missing evidence are clearly labeled.