SMTP sink server

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from datetime import datetime
import asyncore
from smtpd import SMTPServer

class EmlServer(SMTPServer):
    no = 0
    def process_message(self, peer, mailfrom, rcpttos, data):
        filename = '%s-%d.eml' % (datetime.now().strftime('%Y%m%d%H%M%S'),
                self.no)
        f = open(filename, 'w')
        f.write(data)
        f.close
        print '%s saved.' % filename
        self.no += 1


def run():
    foo = EmlServer(('localhost', 25), None)
    try:
        asyncore.loop()
    except KeyboardInterrupt:
        pass


if __name__ == '__main__':
	run()

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Comments

twinsant (on March 20, 2007):

I'm so happy to learn that it's helpful to you:)

Note: This sinppet has been fixed for bug overwriting files when received multi-messages in on session.

#

zgoda (on July 13, 2007):

This snippet requires running it from root account. You have to add some code to bind to a port number over 1024. Like in line 17 and 18:

def run(port=25):
    foo = EmlServer(('localhost', port), None)

and later in line 26 and later:

try:
    port = int(sys.argv[1])
except IndexError:
    sys.exit("Usage: smtpsink.py <port>")
run(port)

Of course, you have to import sys at the top of the module too.

#

arne (on August 27, 2007):

very useful, thanks for sharing this snippet

#

vung (on December 23, 2007):

Line 12 should be: f.close()

#

zero (on February 12, 2008):

instead of writing an .eml you can directly send your mail to the built in python mail server. on a shell do:

sudo /usr/lib/python2.4/smtpd.py -n -c DebuggingServer localhost:25

then send your mails to localhost:25 and you will see the results immediately :-)

#

hasenj (on September 21, 2008):

thank you man, this is awesome!! helps so much!

#

bartTC (on June 3, 2012):

I'm still using this after years.

#

jezdez (on June 3, 2012):

Me too!

#

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