var ns Name
	off, err := ns.unpack(msg, off)
	if err != nil {
		return SOAResource{}, &nestedError{"NS", err}
	}
	var mbox Name
	if off, err = mbox.unpack(msg, off); err != nil {
		return SOAResource{}, &nestedError{"MBox", err}
	}
	serial, off, err := unpackUint32(msg, off)
	if err != nil {
		return SOAResource{}, &nestedError{"Serial", err}
	}

  public static final MediaType KMZ = createConstant(APPLICATION_TYPE, "vnd.google-earth.kmz");

  /**
   * The <a href="https://tools.ietf.org/html/rfc4155">mbox database format</a>.
   *
   * @since 13.0
   */
  public static final MediaType MBOX = createConstant(APPLICATION_TYPE, "mbox");

  /**
   * <a href="http://goo.gl/1pGBFm">Apple over-the-air mobile configuration profiles</a>.
   *
   * @since 18.0
   */

  public static final MediaType KMZ = createConstant(APPLICATION_TYPE, "vnd.google-earth.kmz");

  /**
   * The <a href="https://tools.ietf.org/html/rfc4155">mbox database format</a>.
   *
   * @since 13.0
   */
  public static final MediaType MBOX = createConstant(APPLICATION_TYPE, "mbox");

  /**
   * <a href="http://goo.gl/1pGBFm">Apple over-the-air mobile configuration profiles</a>.
   *
   * @since 18.0
   */

  - The full range of spacing (the CFWS syntax element) is not supported,
    such as breaking addresses across lines.
  - No unicode normalization is performed.
  - A leading From line is permitted, as in mbox format (RFC 4155).
*/
package mail

import (
	"bufio"
	"errors"
	"fmt"
	"io"
	"log"
	"mime"
	"net"
	"net/textproto"
	"strings"
	"sync"
	"time"
	"unicode/utf8"
)

Custom/Header: v

Body
`,
		header: Header{
			"From":          []string{"******@****.***"},
			"Custom/Header": []string{"v"},
		},
		body: "Body\n",
	},
	{
		// RFC 4155 mbox format. We've historically permitted this,
		// so we continue to permit it. Issue #60332.
		in: `From ******@****.*** Mon Jun 19 00:00:00 2023
From: ******@****.***

Hello, gophers!
`,
		header: Header{

				"application/mbms-reception-report+xml",
				"application/mbms-register+xml",
				"application/mbms-register-response+xml",
				"application/mbms-user-service-description+xml",
				"application/mbox",
				"application/media_control+xml",
				"application/mediaservercontrol+xml",
				"application/mikey",
				"application/moss-keys",
				"application/moss-signature",
				"application/mosskey-data",

  <mime-type type="application/mbms-register+xml"/>
  <mime-type type="application/mbms-register-response+xml"/>
  <mime-type type="application/mbms-user-service-description+xml"/>

  <mime-type type="application/mbox">
    <!-- MBOX files start with "From [sender] [date]" -->
    <!-- To avoid false matches, check for other headers after that -->

    <magic priority="70">
      <match value="From " type="string" offset="0">