## Send an email using the builder.

`client.EmailSending.Send(ctx, params) (*EmailSendingSendResponse, error)`

**post** `/accounts/{account_id}/email/sending/send`

Send an email using the builder.

### Parameters

- `params EmailSendingSendParams`

  - `AccountID param.Field[string]`

    Path param: Identifier of the account.

  - `From param.Field[EmailSendingSendParamsFromUnion]`

    Body param: Sender email address. Either a plain string or an object with address and name.

    - `UnionString`

    - `type EmailSendingSendParamsFromEmailSendingEmailAddressObject struct{…}`

      - `Address string`

        Email address (e.g., 'user@example.com').

      - `Name string`

        Display name for the email address (e.g., 'John Doe').

  - `Subject param.Field[string]`

    Body param: Email subject line.

  - `To param.Field[EmailSendingSendParamsToUnion]`

    Body param: Recipient(s). A single email string or an array of email strings.

    - `UnionString`

    - `type EmailSendingSendParamsToEmailSendingEmailAddressList []string`

      A list of email address strings.

  - `Attachments param.Field[[]EmailSendingSendParamsAttachment]`

    Body param: File attachments and inline images.

    - `type EmailSendingSendParamsAttachmentsEmailSendingEmailInlineAttachment struct{…}`

      - `Content string`

        Base64-encoded content of the attachment.

      - `ContentID string`

        Content ID used to reference this attachment in HTML via cid: URI (e.g., <img src="cid:logo">).

      - `Disposition EmailSendingSendParamsAttachmentsEmailSendingEmailInlineAttachmentDisposition`

        Must be 'inline'. Indicates the attachment is embedded in the email body.

        - `const EmailSendingSendParamsAttachmentsEmailSendingEmailInlineAttachmentDispositionInline EmailSendingSendParamsAttachmentsEmailSendingEmailInlineAttachmentDisposition = "inline"`

      - `Filename string`

        Filename for the attachment.

      - `Type string`

        MIME type of the attachment (e.g., 'image/png', 'text/plain').

    - `type EmailSendingSendParamsAttachmentsEmailSendingEmailAttachment struct{…}`

      - `Content string`

        Base64-encoded content of the attachment.

      - `Disposition EmailSendingSendParamsAttachmentsEmailSendingEmailAttachmentDisposition`

        Must be 'attachment'. Indicates a standard file attachment.

        - `const EmailSendingSendParamsAttachmentsEmailSendingEmailAttachmentDispositionAttachment EmailSendingSendParamsAttachmentsEmailSendingEmailAttachmentDisposition = "attachment"`

      - `Filename string`

        Filename for the attachment.

      - `Type string`

        MIME type of the attachment (e.g., 'application/pdf', 'text/plain').

  - `Bcc param.Field[EmailSendingSendParamsBccUnion]`

    Body param: BCC recipient(s). A single email string or an array of email strings.

    - `UnionString`

    - `type EmailSendingSendParamsBccEmailSendingEmailAddressList []string`

      A list of email address strings.

  - `Cc param.Field[EmailSendingSendParamsCcUnion]`

    Body param: CC recipient(s). A single email string or an array of email strings.

    - `UnionString`

    - `type EmailSendingSendParamsCcEmailSendingEmailAddressList []string`

      A list of email address strings.

  - `Headers param.Field[map[string, string]]`

    Body param: Custom email headers as key-value pairs.

  - `HTML param.Field[string]`

    Body param: HTML body of the email. At least one of text or html must be provided.

  - `ReplyTo param.Field[EmailSendingSendParamsReplyToUnion]`

    Body param: Reply-to address. Either a plain string or an object with address and name.

    - `UnionString`

    - `type EmailSendingSendParamsReplyToEmailSendingEmailAddressObject struct{…}`

      - `Address string`

        Email address (e.g., 'user@example.com').

      - `Name string`

        Display name for the email address (e.g., 'John Doe').

  - `Text param.Field[string]`

    Body param: Plain text body of the email. At least one of text or html must be provided.

### Returns

- `type EmailSendingSendResponse struct{…}`

  - `Delivered []string`

    Email addresses to which the message was delivered immediately.

  - `PermanentBounces []string`

    Email addresses that permanently bounced.

  - `Queued []string`

    Email addresses for which delivery was queued for later.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/email_sending"
  "github.com/cloudflare/cloudflare-go/option"
  "github.com/cloudflare/cloudflare-go/shared"
)

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  response, err := client.EmailSending.Send(context.TODO(), email_sending.EmailSendingSendParams{
    AccountID: cloudflare.F("account_id"),
    From: cloudflare.F[email_sending.EmailSendingSendParamsFromUnion](shared.UnionString("sender@example.com")),
    Subject: cloudflare.F("Monthly Report"),
    To: cloudflare.F[email_sending.EmailSendingSendParamsToUnion](email_sending.EmailSendingSendParamsToEmailSendingEmailAddressList([]string{"recipient@example.com"})),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", response.Delivered)
}
```

#### Response

```json
{
  "errors": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "messages": [
    {
      "code": 0,
      "message": "message"
    }
  ],
  "result": {
    "delivered": [
      "recipient@example.com"
    ],
    "permanent_bounces": [
      "dev@stainless.com"
    ],
    "queued": [
      "dev@stainless.com"
    ]
  },
  "success": true,
  "result_info": {
    "count": 0,
    "per_page": 0,
    "total_count": 0,
    "cursor": "cursor",
    "page": 0
  }
}
```