# Glossary

| Term | Definition |
|------|------------|
| **Primary mailbox** | The cold outbound address being warmed (e.g. `hello@fillcareapp.com`). Receives engagement signals; volume ramps per recipe. |
| **Satellite mailbox** | Supporting inbox (Gmail, Yahoo, Live) that sends to and replies from primaries. Not the main outreach address. |
| **Warmup campaign** | Configuration binding one primary to a recipe, duration, volume bounds, reply rate, and assigned satellites. |
| **Recipe** | Algorithm that determines how many emails to send per day over the campaign timeline. |
| **Ramp** | Progressive increase in daily send volume (Grow recipe). |
| **Reply rate** | Percentage of received warmup emails that get an AI-generated reply (not 100%). |
| **Spam rescue** | IMAP action: find warmup email in Spam/Junk, move to INBOX, mark read/flagged/important. |
| **Placement** | Where a message landed: inbox, spam, or unknown. |
| **ESP** | Email Service Provider (Google, Microsoft, Yahoo). |
| **Engagement signal** | Reply, not-spam move, flag, open (future) — positive reputation input. |
| **Peer network** | Shared pool of third-party mailboxes (optional future feature). |
| **Send window** | Time-of-day range when sends are allowed (e.g. 08:00–18:00 local). |
| **Jitter** | Random delay between sends to avoid machine-like cadence. |
| **Warmup log** | Single message transaction with lifecycle status. |
| **Daily stat** | Aggregated per-primary metrics for a calendar day. |
| **Tenant** | Future SaaS customer organization with isolated data. |