Skip to content

Instantly share code, notes, and snippets.

@slank
Forked from xfenix/gist:3206768
Last active December 12, 2015 09:29
Show Gist options
  • Save slank/4752347 to your computer and use it in GitHub Desktop.
Save slank/4752347 to your computer and use it in GitHub Desktop.
"""sendmail email backend class for postfix."""
import threading
from django.conf import settings
from django.core.mail.backends.base import BaseEmailBackend
from subprocess import Popen,PIPE
class EmailBackend(BaseEmailBackend):
def __init__(self, fail_silently=False, **kwargs):
super(EmailBackend, self).__init__(fail_silently=fail_silently)
self._lock = threading.RLock()
def open(self):
return True
def close(self):
pass
def send_messages(self, email_messages):
"""
Sends one or more EmailMessage objects and returns the number of email
messages sent.
"""
if not email_messages:
return
self._lock.acquire()
try:
num_sent = 0
for message in email_messages:
sent = self._send(message)
if sent:
num_sent += 1
finally:
self._lock.release()
return num_sent
def _send(self, email_message):
"""A helper method that does the actual sending."""
if not email_message.recipients():
return False
try:
ps = Popen(["sendmail", "-t"], stdin=PIPE)
ps.stdin.write(email_message.message().as_string())
ps.stdin.flush()
ps.stdin.close()
return not ps.wait()
except:
if not self.fail_silently:
raise
return False
return True
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment