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-rw-r--r--src/leap/mail/smtp/__init__.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/leap/mail/smtp/__init__.py b/src/leap/mail/smtp/__init__.py
index cc9cc26..2a4abc5 100644
--- a/src/leap/mail/smtp/__init__.py
+++ b/src/leap/mail/smtp/__init__.py
@@ -77,7 +77,8 @@ def setup_smtp_relay(port, keymanager, smtp_host, smtp_port,
# configure the use of this service with twistd
factory = SMTPFactory(keymanager, config)
try:
- reactor.listenTCP(port, factory)
+ reactor.listenTCP(port, factory,
+ interface="localhost")
signal(proto.SMTP_SERVICE_STARTED, str(smtp_port))
return factory
except CannotListenError: