file.py

import logging
import logging.handlers

smtp_handler = logging.handlers.SMTPHandler(mailhost=("smtp.example.com", 25),
                                            fromaddr="from@example.com", 
                                            toaddrs="to@example.com",
                                            subject=u"AppName error!")


logger = logging.getLogger()
logger.addHandler(smtp_handler)

try:
  break
except Exception as e:
  logger.exception('Unhandled Exception')