/docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/InputStream.html" title="class or interface in java.io" class="external-link">InputStream</a>&nbsp;is,
 boolean&nbsp;allowutf8)</span>
          throws <span class="exceptions"><a href="../MessagingException.html" title="class in jakarta.mail">MessagingException</a></span></div>
<div class="block">Read and parse the given RFC822 message stream till the
 blank line separating the header from the body. Store the
 header lines inside this InternetHe