text: from navycut.core.app_config import AppSister
  from . import mail
  
  """
  The default app to deliver the mail service.
  Internally it's using the flask-mail
  ("https://pypi.org/project/Flask-Mail/") module.
  
  Special thanks to Matt Wright("https://github.com/mattupstate")
  to provide this module to us to write a fullstack project like navycut.
  
  Special thanks to all of you who are using this project. 
  Please encourage us by providing your valuable feedback.
  
  You can always reach me at: aniketsarkar@yahoo.com
  """
  
  
  class MailSister(AppSister):
      seize_power = True
      name="mail_service_sister"
      extra_ins = (mail, )