diff --git a/CTK/MailHTML.py b/CTK/MailHTML.py
index 78264d8..f305578 100644
--- a/CTK/MailHTML.py
+++ b/CTK/MailHTML.py
@@ -1,3 +1,25 @@
+# CTK: Cherokee Toolkit
+#
+# Authors:
+#      Alvaro Lopez Ortega <alvaro@alobbs.com>
+#
+# Copyright (C) 2009-2011 Alvaro Lopez Ortega
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of version 2 of the GNU General Public
+# License as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+
 import smtplib
 
 from email.mime.text import MIMEText