Notification: use email.utils.formataddr instead of reimplementing it

product/ERP5/Tool/NotificationTool.py

@@ -40,6 +40,7 @@ from email.mime.text import MIMEText
 from email.mime.base import MIMEBase
 from email.mime.audio import MIMEAudio
 from email.mime.image import MIMEImage
+from email.utils import formataddr
 from email.header import make_header
 from email import encoders
 
@@ -333,8 +334,7 @@ class NotificationTool(BaseTool):
     default_from_name = getattr(portal, 'email_from_name', default_from_name)
     if from_person is None:
       # when sending without sender defined compose identifiable From header
-      low_level_kw['from_url'] = '%s <%s>' % (default_from_name,
-          default_from_email)
+      low_level_kw['from_url'] = formataddr((default_from_name, default_from_email))
     if not to_person_list:
       low_level_kw['to_url'] = default_to_email
     if attachment_list is not None: