---
title: Mail options
description: Fields accepted by `mailer.send` and `mailer.sendBulk`.
icon: Mail
source: "src/core/types.ts"
---

| Field | Type |
| --- | --- |
| `from`, `to` | `AddressInput` |
| `subject` | `string` |
| `text`, `html` | `string` |
| `cc`, `bcc`, `replyTo` | `AddressInput` |
| `attachments` | `Attachment[]` |
| `headers` | `Record<string, string>` |
| `messageId`, `idempotencyKey` | `string` |
| `template`, `data` | template plugin fields |
| `react` | React plugin field |

`AddressInput` accepts a string, `{ address, name? }`, or an array of either.

<Cards><Card title="Attachments" href="/docs/guides/attachments" /></Cards>