smtpd — 简单邮件传输协议的服务端库

邮件服务器基类

# smtpd_custom.py

import smtpd
import asyncore


class CustomSMTPServer(smtpd.SMTPServer):

    def process_message(self, peer, mailfrom, rcpttos, data):
        print('Receiving message from:', peer)
        print('Message addressed from:', mailfrom)
        print('Message addressed to  :', rcpttos)
        print('Message length        :', len(data))


server = CustomSMTPServer(('127.0.0.1', 1025), None)

asyncore.loop()

# smtpd_senddata.py
import smtplib
import email.utils
from email.mime.text import MIMEText

# Create the message
msg = MIMEText('This is the body of the message.')
msg['To'] = email.utils.formataddr(('Recipient',
                                    'recipient@example.com'))
msg['From'] = email.utils.formataddr(('Author',
                                      'author@example.com'))
msg['Subject'] = 'Simple test message'

server = smtplib.SMTP('127.0.0.1', 1025)
server.set_debuglevel(True)  # show communication with the server
try:
    server.sendmail('author@example.com',
                    ['recipient@example.com'],
                    msg.as_string())
finally:
    server.quit()

调试服务器

# smtpd_debug.py
import smtpd
import asyncore

server = smtpd.DebuggingServer(('127.0.0.1', 1025), None)

asyncore.loop()

代理服务器

# smtpd_proxy.py
import smtpd
import asyncore

server = smtpd.PureProxy(('127.0.0.1', 1025), ('mail', 25))

asyncore.loop()