def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
if self.timeout is None:
self.connection = smtplib.SMTP(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
else:
self.connection = smtplib.SMTP(
self.host,
self.port,
local_hostname=DNS_NAME.get_fqdn(),
timeout=self.timeout)
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
if self.use_ssl:
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
else:
self.connection = smtplib.SMTP(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except smtplib.SMTPException:
if not self.fail_silently:
raise
def check_spf(self):
"""
Check if sender is authorised by sender policy framework
"""
if not ENABLE_SPF:
return False
return spf.check(i=socket.gethostbyname(DNS_NAME.get_fqdn()),s=self.email,h=DNS_NAME.get_fqdn())
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
if self.use_ssl:
self.connection = smtplib.SMTP_SSL(self.host, self.port,
keyfile=self.keyfile, certfile=self.certfile,
local_hostname=DNS_NAME.get_fqdn())
else:
self.connection = smtplib.SMTP(self.host, self.port,
local_hostname=DNS_NAME.get_fqdn())
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def check_spf(self):
"""
Check if sender is authorised by sender policy framework
"""
if not ENABLE_SPF:
return False
return spf.check(i=socket.gethostbyname(DNS_NAME.get_fqdn()),
s=self.email,
h=DNS_NAME.get_fqdn())
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
assert self.port == 465, \
'Sorry we only support smtps connections right now'
if '.onion' in self.host:
self.connection = SMTP_SSL_TOR(
self.host, self.port, local_hostname='127.0.0.1')
else:
# If local_hostname is not specified, socket.getfqdn() gets
# used.
# For performance, we use the cached FQDN for local_hostname.
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
self.connection.set_debuglevel(1)
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
connection_class = smtplib.SMTP
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
try:
self.connection = connection_class(self.host, self.port, **connection_params)
self.connection.set_debuglevel(settings.DEBUG)
self.connection.ehlo()
self.connection.starttls()
self.connection.docmd('AUTH', 'XOAUTH2 ' + base64.b64encode(self.authinfo["auth_string"]))
self.connection.ehlo()
return True
except smtplib.SMTPException:
if not self.fail_silently:
raise
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
connection_class = smtplib.SMTP_SSL if self.use_ssl else smtplib.SMTP
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
try:
self.connection = connection_class(self.host, self.port, **connection_params)
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if not self.use_ssl and self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
except smtplib.SMTPException:
if not self.fail_silently:
raise
def open(self) -> bool:
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
try:
self.connection = smtplib.SMTP(self.host, self.port,
**connection_params)
# TLS
context = ssl.SSLContext(self._protocol())
if self.ssl_certfile:
context.load_cert_chain(certfile=self.ssl_certfile,
keyfile=self.ssl_keyfile)
self.connection.ehlo()
self.connection.starttls(context=context)
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
log.debug("Successful SMTP connection/login")
else:
log.debug("Successful SMTP connection (without login)")
return True
except smtplib.SMTPException:
log.debug("SMTP connection and/or login failed")
if not self.fail_silently:
raise
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.connection = smtplib.SMTP(self.host,
self.port,
local_hostname=DNS_NAME.get_fqdn())
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
# force plain authen
# from http://code.djangoproject.com/ticket/9488
if not (200 <= self.connection.ehlo()[0] <= 299):
(code, resp) = self.connection.helo()
if not (200 <= code <= 299):
raise SMTPHeloError(code, resp)
self.connection.esmtp_features["auth"] = "LOGIN PLAIN"
self.connection.login(self.username, self.password)
#self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
"""
Ensure an open connection to the email server. Return whether or not a
new connection was required (True or False) or None if an exception
passed silently.
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
if self.use_ssl:
connection_params.update({
'keyfile': self.ssl_keyfile,
'certfile': self.ssl_certfile,
})
try:
self.connection = self.connection_class(self.host, self.port, **connection_params)
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if not self.use_ssl and self.use_tls:
self.connection.starttls(keyfile=self.ssl_keyfile, certfile=self.ssl_certfile)
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except (smtplib.SMTPException, socket.error):
if not self.fail_silently:
raise
def connect(mail_account=False, timeout=False, fail_silently=True, ):
if not mail_account:
mail_account = get_mail_account()
connection_class = SMTP_SSL if mail_account.server.use_ssl_smtp and \
not mail_account.server.use_tls_smtp else SMTP
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if timeout:
connection_params['timeout'] = timeout
try:
connection = connection_class(host=mail_account.server.server_smtp,
port=mail_account.server.port_smtp,
**connection_params)
if not mail_account.server.use_ssl_smtp and mail_account.server.use_tls_smtp:
connection.ehlo()
connection.starttls()
connection.ehlo()
if mail_account.username and mail_account.password:
connection.login(mail_account.username, mail_account.password, )
return connection
except (SMTPException, SMTPServerDisconnected):
if not fail_silently:
raise
else:
return False
def connect(
mail_account=False,
timeout=False,
fail_silently=True,
):
if not mail_account:
mail_account = get_mail_account()
connection_class = SMTP_SSL if mail_account.server.use_ssl_smtp and \
not mail_account.server.use_tls_smtp else SMTP
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if timeout:
connection_params['timeout'] = timeout
try:
connection = connection_class(host=mail_account.server.server_smtp,
port=mail_account.server.port_smtp,
**connection_params)
if not mail_account.server.use_ssl_smtp and mail_account.server.use_tls_smtp:
connection.ehlo()
connection.starttls()
connection.ehlo()
if mail_account.username and mail_account.password:
connection.login(
mail_account.username,
mail_account.password,
)
return connection
except (SMTPException, SMTPServerDisconnected):
if not fail_silently:
raise
else:
return False
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
connection_class = smtplib.SMTP_SSL if self.use_ssl else smtplib.SMTP
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
if self.use_ssl:
connection_params.update({
'keyfile': self.ssl_keyfile,
'certfile': self.ssl_certfile,
})
try:
self.connection = connection_class(self.host, self.port,
**connection_params)
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
self.connection.starttls()
self.connection.ehlo()
self.connection.esmtp_features['auth'] = 'LOGIN PLAIN'
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except smtplib.SMTPException:
if not self.fail_silently:
raise
def open(self):
"""
Ensure an open connection to the email server. Return whether or not a
new connection was required (True or False) or None if an exception
passed silently.
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
if self.use_ssl:
connection_params.update({
'keyfile': self.ssl_keyfile,
'certfile': self.ssl_certfile,
})
try:
self.connection = self.connection_class(self.host, self.port, **connection_params)
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if not self.use_ssl and self.use_tls:
self.connection.starttls(keyfile=self.ssl_keyfile, certfile=self.ssl_certfile)
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except OSError:
if not self.fail_silently:
raise
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.connection = smtplib.SMTP(self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
# force plain authen
# from http://code.djangoproject.com/ticket/9488
if not (200 <= self.connection.ehlo()[0] <= 299):
(code, resp) = self.connection.helo()
if not (200 <= code <= 299):
raise SMTPHeloError(code, resp)
self.connection.esmtp_features["auth"] = "LOGIN PLAIN"
self.connection.login(self.username, self.password)
# self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
self.connection = smtplib.SMTP_SSL(self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
logger.info("sending email via %s" % self.host)
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open (self):
"""
We will use the same lib as standart django backend
but will choose SMTP_SSL instead of just SMTP class
"""
if self.connection:
return False # connection already made
try:
self.connection = smtplib.SMTP_SSL(self.host, self.port,
local_hostname=DNS_NAME.get_fqdn())
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
"""
We will use the same lib as standart django backend
but will choose SMTP_SSL instead of just SMTP class
"""
if self.connection:
return False # connection already made
try:
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
self.connection = smtplib.SMTP_SSL(
self.host, self.port, local_hostname=DNS_NAME.get_fqdn())
if self.username and self.password:
self.connection.ehlo()
# Remove CRAM-MD5 authentication method
self.connection.esmtp_features['auth'] = 'PLAIN LOGIN'
self.connection.login(self.username, self.password)
return True
except smtplib.SMTPException:
if not self.fail_silently:
raise
def open(self):
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.connection = SMTPExt(self.host, self.port,
local_hostname=DNS_NAME.get_fqdn())
if self.use_tls:
self.connection.ehlo()
self.connection.starttls(**self.WRAP_SOCKET_PARAMS)
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
self.connection = smtplib.SMTP(host=self.host, port=self.port,
local_hostname=DNS_NAME.get_fqdn(), timeout=self.timeout)
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def open(self):
if self.connection:
# Nothing to do if the connection is already open.
return False
try:
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.connection = SMTPExt(self.host,
self.port,
local_hostname=DNS_NAME.get_fqdn())
if self.use_tls:
self.connection.ehlo()
self.connection.starttls(**self.WRAP_SOCKET_PARAMS)
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
except:
if not self.fail_silently:
raise
def connect(self):
kwargs = {
'local_hostname': DNS_NAME.get_fqdn()
}
if self.use_ssl:
keyfile = getattr(settings, 'EMAIL_SSL_KEYFILE', None)
certfile = getattr(settings, 'EMAIL_SSL_CERTFILE', None)
if keyfile:
kwargs['keyfile'] = keyfile
if certfile:
kwargs['certfile'] = certfile
self.connection = SMTP_SSL(self.host, self.port, **kwargs)
else:
self.connection = SMTP(self.host, self.port, **kwargs)
if self.use_tls:
self.connection.ehlo()
self.connection.starttls()
self.connection.ehlo()
if self.username and self.password:
self.connection.login(self.username, self.password)
return True
def forward(msg, recips):
connection = smtplib.SMTP(settings.EMAIL_HOST, settings.EMAIL_PORT, local_hostname=DNS_NAME.get_fqdn())
text = msg.as_string()
# Really, this should be sent separately to each list so that the bounce is
# correct, but for now, just pick a random list.
env_sender_list = msg.mailing_lists.pop()
env_sender = env_sender_list.address + '-bounce@' + env_sender_list.site.domain
while len(recips) > MAX_SMTP_RECIPS:
chunk = set(list(recips)[0:MAX_SMTP_RECIPS])
connection.sendmail(env_sender, chunk, text)
recips -= chunk
refused = connection.sendmail(env_sender, recips, text)
connection.quit()
if refused:
# should I send this back to the sender, as well?
msg.log.error("Message delivery failed at %s" % ', '.join(refused.keys()))
msg.log.info("Forwarded message")
def connect(self, ):
connection_class = SMTP_SSL
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
try:
connection = connection_class(
host=self.sender.server.server_smtp,
port=self.sender.server.port_smtp,
**connection_params)
if self.sender.username and self.sender.password:
connection.login(self.sender.username, self.sender.password, )
connection.ehlo()
return connection
except (SMTPException, SMTPServerDisconnected) as e:
print('Exception(SMTPException, SMTPServerDisconnected): ', e)
return False
except socket.error as e:
print('Exception(socket.error): ', e)
return False
def connect(self, ):
connection_class = SMTP_SSL
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
try:
connection = connection_class(
host=self.sender.server.server_smtp,
port=self.sender.server.port_smtp,
**connection_params)
if self.sender.username and self.sender.password:
connection.login(self.sender.username, self.sender.password, )
connection.ehlo()
return connection
except (SMTPException, SMTPServerDisconnected) as e:
print('Exception(SMTPException, SMTPServerDisconnected): ', e)
return False
except socket.error as e:
print('Exception(socket.error): ', e)
return False
def open(self):
"""
Ensure an open connection to the email server. Return whether or not a
new connection was required (True or False) or None if an exception
passed silently.
"""
if self.connection:
# Nothing to do if the connection is already open.
return False
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
connection_params = {'local_hostname': DNS_NAME.get_fqdn()}
if self.timeout is not None:
connection_params['timeout'] = self.timeout
if self.use_ssl:
connection_params.update({
'keyfile': self.ssl_keyfile,
'certfile': self.ssl_certfile,
})
try:
self.connection = self.connection_class(self.host, self.port, **connection_params)
# TLS/SSL are mutually exclusive, so only attempt TLS over
# non-secure connections.
if not self.use_ssl and self.use_tls:
self.connection.starttls(keyfile=self.ssl_keyfile, certfile=self.ssl_certfile)
if self.username and self.oauth_token_refresh:
self.connection.ehlo_or_helo_if_needed()
oauth_auth = "user={username}\1auth=Bearer {access_token}\1\1".format(
username=self.username,
access_token=self.access_token)
self.connection.auth('XOAUTH2', lambda: oauth_auth, initial_response_ok=True)
return True
except OSError:
if not self.fail_silently:
raise
def open(self):
if self.connection:
return False
try:
try:
username = SiteSettings.objects.get(name='EMAIL_HOST_USER').value
password = SiteSettings.objects.get(name='EMAIL_HOST_PASSWORD').value
host = SiteSettings.objects.get(name='EMAIL_HOST').value
port = SiteSettings.objects.get(name='EMAIL_PORT').value
except Exception, e:
username = self.username
password = self.password
host = self.host
port = self.port
self.connection = smtplib.SMTP_SSL(host, port,
local_hostname=DNS_NAME.get_fqdn())
self.connection.login(username, password)
return True
"""SMTP email backend class."""
def open(self):
'''
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
'''
if self.__connection:
# Nothing to do if the connection is already open.
return False
try:
# Refresh access token by the refresh token
gauth = urllib.request.urlopen(self.__request_url, urllib.parse.urlencode(self.__param))
response = gauth.read()
gauth.close()
response = json.loads(response)
access_token = response['access_token']
access_token = 'user={0}\1auth=Bearer {1}\1\1'.format(self.__usrname, access_token.encode('utf-8'))
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.__connection = smtplib.SMTP(self.__host, self.__port, local_hostname=DNS_NAME.get_fqdn())
if self.__use_tls:
self.__connection.ehlo()
self.__connection.starttls()
self.__connection.ehlo()
self.__connection.docmd('AUTH', 'XOAUTH2 ' + base64.b64encode(access_token))
return True
except:
if not self.fail_silently:
raise
return False
def open(self):
"""
Ensures we have a connection to the email server. Returns whether or
not a new connection was required (True or False).
"""
if self.__connection:
# Nothing to do if the connection is already open.
return False
try:
# Refresh access token by the refresh token
gauth = urllib.request.urlopen(self.__request_url, urllib.parse.urlencode(self.__param))
response = gauth.read()
gauth.close()
response = json.loads(response)
access_token = response["access_token"]
access_token = "user={0}\1auth=Bearer {1}\1\1".format(self.__usrname, access_token.encode("utf-8"))
# If local_hostname is not specified, socket.getfqdn() gets used.
# For performance, we use the cached FQDN for local_hostname.
self.__connection = smtplib.SMTP(self.__host, self.__port, local_hostname=DNS_NAME.get_fqdn())
if self.__use_tls:
self.__connection.ehlo()
self.__connection.starttls()
self.__connection.ehlo()
self.__connection.docmd("AUTH", "XOAUTH2 " + base64.b64encode(access_token))
return True
except:
if not self.fail_silently:
raise
return False
