# checkIfEmailAddressExist

**Kind:** Function

**Source:** `Outlook_plugin/src/auth/auth.service.ts` (line 332)

**Part of:** [Auth](subsystem-outlook-plugin-src-auth)

## Signature

```ts
async function checkIfEmailAddressExist(mail: string): Promise<SearchForEmailResponse[]>
```

## Parameters

| Name | Type |
|---|---|
| `mail` | `string` |

**Returns:** `Promise<SearchForEmailResponse[]>`

## Used by

1 reference from 1 file. Each is a place in this repository where the symbol is actually used — go read one rather than trusting an example.

### Imported by (1)

- `handleErrorResponse` — `Outlook_plugin/src/taskpane/taskpane.ts`:69