def test_attempt_policies(self):
class BadPolicy(RelayPolicy):
def apply(self, env):
raise Exception('that\'s bad policy!')
env = Envelope()
blackhole = BlackholeRelay()
blackhole.add_policy(BadPolicy())
ret = blackhole._attempt(env, 0)
self.assertEqual('250', ret.code)
def test_attempt_policies(self):
class BadPolicy(RelayPolicy):
def apply(self, env):
raise Exception('that\'s bad policy!')
env = Envelope()
blackhole = BlackholeRelay()
blackhole.add_policy(BadPolicy())
ret = blackhole._attempt(env, 0)
self.assertEqual('250', ret.code)
def setup_queue():
# We only need a dummy slimta relay here
# only to allow for queue creation
relay = BlackholeRelay()
# Set up celery queue
queue = TransactionalQueue(relay)
return relay, queue
def backmuncher():
"Run smtp that handle feedback loops, unsuscribes and more."
import django
django.setup()
from django.conf import settings
from slimta.edge.smtp import SmtpEdge
from slimta.system import drop_privileges
from slimta.util.proxyproto import ProxyProtocol
from slimta.relay.blackhole import BlackholeRelay
from munch.core.mail.backmuncher import Queue
edge_class = SmtpEdge
if settings.BACKMUNCHER.get('PROXYPROTO_ENABLED', False):
class ProxyProtocolSmtpEdge(ProxyProtocol, SmtpEdge):
pass
edge_class = ProxyProtocolSmtpEdge
edge = edge_class(
(settings.BACKMUNCHER.get('SMTP_BIND_HOST'),
settings.BACKMUNCHER.get('SMTP_BIND_PORT')),
Queue(BlackholeRelay()),
hostname=settings.BACKMUNCHER.get('EDGE_EHLO_AS', None),
tls=False,
)
log.info('Listening on {}:{}'.format(
settings.BACKMUNCHER.get('SMTP_BIND_HOST'),
settings.BACKMUNCHER.get('SMTP_BIND_PORT')))
edge.start()
if settings.BACKMUNCHER.get('DROP_PRIVILEGES_USER') is not None:
# If this command is run with root user (to be allowed to
# open reserved ports like 25), we should then "switch" to a
# normal user for security.
drop_privileges(settings.BACKMUNCHER.get('DROP_PRIVILEGES_USER'),
settings.BACKMUNCHER.get('DROP_PRIVILEGES_GROUP'))
log.info('Dropping privileges to {}:{}'.format(
settings.BACKMUNCHER.get('DROP_PRIVILEGES_USER'),
settings.BACKMUNCHER.get('DROP_PRIVILEGES_GROUP')))
try:
edge.get()
except KeyboardInterrupt:
try:
edge.server.close()
log.info('Stop accepting connections.')
log.info('Edge stopped...')
edge.server.stop(timeout=1)
except KeyboardInterrupt:
log.info('Forcing shutdown...')
edge.server.stop(timeout=1)
def test_attempt(self):
env = Envelope()
blackhole = BlackholeRelay()
ret = blackhole.attempt(env, 0)
self.assertEqual('250', ret.code)
def _start_relay(self, name, options=None):
if name in self.relays:
return self.relays[name]
if not options:
options = getattr(self.cfg.relay, name)
new_relay = None
if options.type == 'mx':
from slimta.relay.smtp.mx import MxSmtpRelay
from .helpers import fill_hostname_template
kwargs = {}
kwargs['connect_timeout'] = options.get('connect_timeout', 30)
kwargs['command_timeout'] = options.get('command_timeout', 30)
kwargs['data_timeout'] = options.get('data_timeout', 60)
kwargs['idle_timeout'] = options.get('idle_timeout', 10)
kwargs['pool_size'] = options.get('concurrent_connections', 5)
kwargs['ehlo_as'] = fill_hostname_template(options.ehlo_as)
kwargs['context'] = self._get_client_ssl_context(options.tls)
if options.ipv4_only:
kwargs['socket_creator'] = build_ipv4_socket_creator([25])
new_relay = MxSmtpRelay(**kwargs)
if 'force_mx' in options:
for domain, dest in options.force_mx:
new_relay.force_mx(domain, dest)
elif options.type == 'static':
from slimta.relay.smtp.static import StaticSmtpRelay
from .helpers import fill_hostname_template, get_relay_credentials
kwargs = {}
kwargs['host'] = options.host
kwargs['port'] = options.get('port', 25)
kwargs['connect_timeout'] = options.get('connect_timeout', 30)
kwargs['command_timeout'] = options.get('command_timeout', 30)
kwargs['data_timeout'] = options.get('data_timeout', 60)
kwargs['idle_timeout'] = options.get('idle_timeout', 10)
kwargs['pool_size'] = options.get('concurrent_connections', 5)
kwargs['ehlo_as'] = fill_hostname_template(options.ehlo_as)
kwargs['context'] = self._get_client_ssl_context(options.tls)
if 'credentials' in options:
credentials = get_relay_credentials(options.credentials)
kwargs['credentials'] = credentials
if options.ipv4_only:
kwargs['socket_creator'] = \
build_ipv4_socket_creator([kwargs['port']])
new_relay = StaticSmtpRelay(**kwargs)
elif options.type == 'lmtp':
from slimta.relay.smtp.static import StaticLmtpRelay
from .helpers import fill_hostname_template, get_relay_credentials
kwargs = {}
kwargs['host'] = options.get('host', 'localhost')
kwargs['port'] = options.get('port', 24)
kwargs['connect_timeout'] = options.get('connect_timeout', 30)
kwargs['command_timeout'] = options.get('command_timeout', 30)
kwargs['data_timeout'] = options.get('data_timeout', 60)
kwargs['idle_timeout'] = options.get('idle_timeout', 10)
kwargs['pool_size'] = options.get('concurrent_connections', 5)
kwargs['ehlo_as'] = fill_hostname_template(options.ehlo_as)
kwargs['context'] = self._get_client_ssl_context(options.tls)
if 'credentials' in options:
credentials = get_relay_credentials(options.credentials)
kwargs['credentials'] = credentials
if options.ipv4_only:
kwargs['socket_creator'] = \
build_ipv4_socket_creator([kwargs['port']])
new_relay = StaticLmtpRelay(**kwargs)
elif options.type == 'http':
from slimta.relay.http import HttpRelay
from .helpers import fill_hostname_template
kwargs = {}
kwargs['ehlo_as'] = fill_hostname_template(options.ehlo_as)
kwargs['timeout'] = options.get('timeout', 60)
kwargs['idle_timeout'] = options.get('idle_timeout', 10)
kwargs['context'] = self._get_client_ssl_context(options.tls)
new_relay = HttpRelay(options.url, **kwargs)
elif options.type == 'blackhole':
from slimta.relay.blackhole import BlackholeRelay
new_relay = BlackholeRelay()
elif options.type == 'pipe':
from slimta.relay.pipe import PipeRelay
new_relay = PipeRelay(options.args)
elif options.type == 'maildrop':
from slimta.relay.pipe import MaildropRelay
path = options.path
new_relay = MaildropRelay(path)
elif options.type == 'dovecot':
from slimta.relay.pipe import DovecotLdaRelay
path = options.path
new_relay = DovecotLdaRelay(path)
elif options.type == 'custom':
new_relay = custom_factory(options)
else:
msg = 'relay type does not exist: '+options.type
raise ConfigValidationError(msg)
self.relays[name] = new_relay
return new_relay
def test_attempt(self):
env = Envelope()
blackhole = BlackholeRelay()
ret = blackhole.attempt(env, 0)
self.assertEqual('250', ret.code)