my gmail is 
[email protected]
i can only use 
[email protected] in the sender=".." ,yes ??
from google.appengine.
api import mail
    message = mail.EmailMessage(sender="
[email protected]",
                                subject="Your account has been approved")
    message.to = "
[email protected]"
    message.body = """
    Dear Albert:
    Your example.com account has been approved.  You can now visit
    http://www.example.com/ and sign in using your Google Account to
    access new features.
    Please let us know if you have any questions.
    The example.com Team
    """
    message.send()
thanks