assertContentType("application/xml", "extractor/test.mm", "hoge.mm");

        assertContentType("message/rfc822", "extractor/eml/sample1.eml", "sample1.eml");

        assertContentType("application/octet-stream", null, "hoge");

        assertContentType("application/vnd.ms-powerpoint", "extractor/msoffice/test.ppt", "h&oge.ppt");

import jakarta.mail.Part;
import jakarta.mail.Session;
import jakarta.mail.internet.MailDateFormat;
import jakarta.mail.internet.MimeMessage;
import jakarta.mail.internet.MimeUtility;

/**
 * Gets a text from .eml file.
 *
 * @author shinsuke
 *
 */
public class EmlExtractor extends AbstractExtractor {
    /** Array of day of week abbreviations used for parsing received dates */

      |I0mIoEx0xFsQhIJ637v2MxJDupd61wIDAQABMA0GCSqGSIb3DQEBCwUAA4GBADHT
      |vcjwl9Z4I5Cb2R1y7aaa860HkY2k3ThaDK5OJt6GYqJTA9P3LtX7VwQtL1TWqXGc
      |+OEfl3zhm0PUqcbckMzhJtqIa7NkDSjNm71BKd843pIhGcEri69DcL/cR8T+eMex
      |hadh7aGM9OjeL8gznLeq27Ly6Dj7Vkp5OmOrSKfn
      |-----END CERTIFICATE-----
      |
      """.trimMargin(),
    ).isEqualTo(heldCertificate.certificatePem())
    assertThat(
      """