diff --git a/mail_fix_553/__manifest__.py b/mail_fix_553/__manifest__.py
index 33eb8af..af6beee 100644
--- a/mail_fix_553/__manifest__.py
+++ b/mail_fix_553/__manifest__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 {
     "name": "Fix mail error 553",
-    "version": "0.3",
+    "version": "10.0.1.0.3",
     "author": "IT-Projects LLC, Ivan Yelizariev",
     "license": "LGPL-3",
     "category": "Discuss",
diff --git a/mail_fix_553/mail_fix_553.py b/mail_fix_553/mail_fix_553.py
index b82be57..6edc462 100644
--- a/mail_fix_553/mail_fix_553.py
+++ b/mail_fix_553/mail_fix_553.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
-
+# TODO
+# pylint: disable=old-api7-method-defined,invalid-commit
 import base64
 import logging
 import re
@@ -8,7 +9,7 @@ from email.utils import formataddr
 from openerp import SUPERUSER_ID, tools
 from openerp.addons.base.ir.ir_mail_server import MailDeliveryException
 from openerp.osv import osv
-from openerp.tools.safe_eval import safe_eval as eval
+from openerp.tools.safe_eval import safe_eval
 from openerp.tools.translate import _
 
 _logger = logging.getLogger(__name__)
@@ -116,7 +117,7 @@ class MailMail(osv.Model):
                         )
                 if mail.headers:
                     try:
-                        headers.update(eval(mail.headers))
+                        headers.update(safe_eval(mail.headers))
                     except Exception:
                         pass