dev_email_backend.py

from django.conf import settings
from django.core.mail.backends.smtp import EmailBackend as SmtpEmailBackend

class CustomEmailBackend(SmtpEmailBackend):

    def _send(self, email_message):
        if not email_message.recipients():
            return False
        message = email_message.message()
        try:
            message = message.as_bytes()
        except AttributeError:  # django < 1.6
            message = message.as_string()
        recipients = ['me@example.com'] if settings.DEBUG else email_message.recipients()
        try:
            self.connection.sendmail(email_message.from_email, recipients, message)
        except:
            if not self.fail_silently:
                raise
            return False
        return True