# MailOrigin

enum

Where a mail came from — DERIVED from the contracts MAIL_ORIGINS: the requesting surface (a client app word, or undeclared) for the identity kinds; the firing lane for the others.

## Values

| Value | Notes |
| --- | --- |
| `office` | No further notes. |
| `pos` | No further notes. |
| `partner` | No further notes. |
| `cli` | No further notes. |
| `mcp` | No further notes. |
| `ucp` | No further notes. |
| `goldens` | No further notes. |
| `www` | No further notes. |
| `undeclared` | No further notes. |
| `usage_check` | No further notes. |
| `balance_check` | No further notes. |
| `billing_run` | No further notes. |
| `owner_check` | No further notes. |
| `processor_report` | No further notes. |
| `referral_review` | No further notes. |