--- a/src/luan/modules/mail/MailCon.java	Fri Mar 12 20:12:43 2021 -0700
+++ b/src/luan/modules/mail/MailCon.java	Fri Mar 12 23:22:53 2021 -0700
@@ -60,20 +60,6 @@
 		Object body = mailParams.remove("body");
 		if( body == null )
 			throw new LuanException( "parameter 'body' is required" );
-		if( body instanceof LuanTable ) {
-			LuanTable tbl = (LuanTable)body;
-			if( !tbl.isList() )
-				throw new LuanException( "body table must be a list" );
-			List list = tbl.asList();
-			Message[] msgs = new Message[list.size()];
-			for( int i=0; i<msgs.length; i++ ) {
-				Object obj = list.get(i);
-				if( !(obj instanceof LuanTable) )
-					throw new LuanException( "body table must be a list of part tables" );
-				msgs[i] = message((LuanTable)obj);
-			}
-			body = msgs;
-		}
 		Map<String,String> headers = new LinkedHashMap<String,String>();
 		boolean hasContentType = false;
 		for( Map.Entry<Object,Object> entry : mailParams.entrySet() ) {
@@ -88,9 +74,29 @@
 			if( name.equalsIgnoreCase("content-type") )
 				hasContentType = true;
 		}
-		if( !hasContentType && body instanceof String )
-			headers.put("Content-Type","text/plain; charset=utf-8");
-		return new Message(headers,body);
+		if( body instanceof String ) {
+			if( !hasContentType )
+				headers.put("Content-Type","text/plain; charset=utf-8");
+			return new Message(headers,(String)body);
+		}
+		if( body instanceof byte[] ) {
+			return new Message(headers,(byte[])body);
+		}
+		if( body instanceof LuanTable ) {
+			LuanTable tbl = (LuanTable)body;
+			if( !tbl.isList() )
+				throw new LuanException( "body table must be a list" );
+			List list = tbl.asList();
+			Message[] msgs = new Message[list.size()];
+			for( int i=0; i<msgs.length; i++ ) {
+				Object obj = list.get(i);
+				if( !(obj instanceof LuanTable) )
+					throw new LuanException( "body table must be a list of part tables" );
+				msgs[i] = message((LuanTable)obj);
+			}
+			return new Message(headers,msgs);
+		}
+		throw new LuanException("body must be a string, binary, or list of part tables");
 	}
 
 	public void send(LuanTable mailTbl) throws LuanException, IOException, MailException {