Load headers with unicode indicator

app/src/main/java/com/sun/mail/imap/IMAPBodyPart.java

@@ -420,7 +420,7 @@ public class IMAPBodyPart extends MimeBodyPart implements ReadableMime {
 		    if (bis == null)
 			throw new MessagingException("Failed to fetch headers");
 
-		    headers.load(bis);
+		    headers.load(bis, message.allowutf8);
 
 		} else {
 

app/src/main/java/com/sun/mail/imap/IMAPMessage.java

@@ -978,7 +978,7 @@ public class IMAPMessage extends MimeMessage implements ReadableMime {
 
 	if (headers == null)
 	    headers = new InternetHeaders();
-	headers.load(is); // load this header into the Headers object.
+	headers.load(is, allowutf8); // load this header into the Headers object.
 	setHeaderLoaded(name); // Mark this header as loaded
 
 	return headers.getHeader(name);
@@ -1365,7 +1365,7 @@ public class IMAPMessage extends MimeMessage implements ReadableMime {
 		// instead of a string just containing a CR/LF
 		// when the header list is empty.
 		if (headerStream != null)
-		    h.load(headerStream);
+		    h.load(headerStream, allowutf8);
 		if (headers == null || allHeaders)
 		    headers = h;
 		else {
@@ -1634,7 +1634,7 @@ public class IMAPMessage extends MimeMessage implements ReadableMime {
 
 	if (is == null)
 	    throw new MessagingException("Cannot load header");
-	headers = new InternetHeaders(is);
+	headers = new InternetHeaders(is, allowutf8);
 	headersLoaded = true;
     }
 

app/src/main/java/javax/mail/internet/MimeMessage.java

@@ -160,7 +160,7 @@ public class MimeMessage extends Message implements MimePart {
     // Should addresses in headers be parsed in "strict" mode?
     private boolean strict = true;
     // Is UTF-8 allowed in headers?
-    private boolean allowutf8 = false;
+    public boolean allowutf8 = false;
 
     /**
      * Default constructor. An empty message object is created.