| #!/usr/bin/env python |
| import logging |
| import os |
| import smtpd |
| import smtplib |
| import asyncore |
| from ConfigParser import ConfigParser |
| |
| log = logging.getLogger(__name__) |
| |
| def main(): |
| cp = ConfigParser() |
| log.info('Read config from: %s', cp.read([os.path.join(os.environ['HOME'], '.open_relay.ini')])) |
| host = cp.get('open_relay', 'host') |
| port = cp.getint('open_relay', 'port') |
| ssl = cp.getboolean('open_relay', 'ssl') |
| tls = cp.getboolean('open_relay', 'tls') |
| username=cp.get('open_relay', 'username') |
| password = cp.get('open_relay', 'password') |
| smtp_client = MailClient(host, |
| port, |
| ssl, tls, |
| username, password) |
| MailServer(('0.0.0.0', 8826), None, |
| smtp_client=smtp_client) |
| asyncore.loop() |
| |
| class MailClient(object): |
| |
| def __init__(self, host, port, ssl, tls, username, password): |
| self.host, self.port, self.ssl, self.tls, self.username, self.password = \ |
| host, port, ssl, tls, username, password |
| self._client = None |
| self._connect() |
| |
| def sendmail(self, mailfrom, rcpttos, data): |
| if str(mailfrom) == 'None': mailfrom = rcpttos[0] |
| log.info('Sending mail to %s' % rcpttos) |
| log.info('Sending mail from %s' % mailfrom) |
| try: |
| self._client.sendmail(mailfrom, rcpttos, data) |
| except: |
| self._connect() |
| self._client.sendmail(mailfrom, rcpttos, data) |
| |
| def _connect(self): |
| if self.ssl: |
| self._client = smtplib.SMTP_SSL(self.host, int(self.port)) |
| else: |
| self._client = smtplib.SMTP(self.host, int(self.port)) |
| if self.tls: |
| self._client.starttls() |
| if self.username: |
| self._client.login(self.username, self.password) |
| |
| class MailServer(smtpd.SMTPServer): |
| |
| def __init__(self, *args, **kwargs): |
| self._client = kwargs.pop('smtp_client') |
| smtpd.SMTPServer.__init__(self, *args, **kwargs) |
| |
| def process_message(self, peer, mailfrom, rcpttos, data): |
| self._client.sendmail(mailfrom, rcpttos, data) |
| |
| if __name__ == '__main__': |
| main() |