"""
A toy email server.
"""
from twisted.internet import defer
from twisted.protocols import smtp
class ConsoleMessageDelivery:
__implements__ = (smtp.IMessageDelivery,)
def receivedHeader(self, helo, origin, recipients):
return "Received: ConsoleMessageDelivery"
def validateFrom(self, helo, origin):
return origin
def validateTo(self, user):
if user.dest.local == "console":
return lambda: ConsoleMessage()
raise smtp.SMTPBadRcpt(user)
class ConsoleMessage:
__implements__ = (smtp.IMessage,)
def __init__(self):
self.lines = []
def lineReceived(self, line):
self.lines.append(line)
def eomReceived(self):
print "New message received:"
print "\n".join(self.lines)
self.lines = None
return defer.succeed(None)
def connectionLost(self):
self.lines = None
class ConsoleSMTPFactory(smtp.SMTPFactory):
def __init__(self, *a, **kw):
smtp.SMTPFactory.__init__(self, *a, **kw)
self.delivery = ConsoleMessageDelivery()
def buildProtocol(self, addr):
p = smtp.SMTPFactory.buildProtocol(self, addr)
p.delivery = self.delivery
return p
def main():
from twisted.application import internet
from twisted.application import service
a = service.Application("Console SMTP Server")
internet.TCPServer(2500, ConsoleSMTPFactory()).setServiceParent(a)
return a
application = main()