Python utility, email module, python realizes mail remote control of its own computer

Chu_ Yang 2021-08-09 13:49:08
python utility email module python


Recently, I often need to simply control the computer remotely , For example, check the model training on the computer remotely , After the model training, turn off the computer remotely, etc , So I wanted to use python Let's simply implement these functions , Directly use email to remotely control your computer .
Let's start happily ~


development tool

Python edition :3.6.4

Related modules :

PIL modular ;

email modular ;

As well as some Python Built in modules .

Environment building

install Python And add to environment variable ,pip Install the relevant modules required .

Introduction of the principle

One . Ideas

The computer checks whether new mail has been received in the specified mailbox at regular intervals , If not received , Nothing is done , If you get it , Then determine the identity of the sender , If the sender is a legitimate controller , Then parse the sender's mail , Execute the parsing result , Otherwise, ignore the message .

Two . Concrete realization

(1) Send and receive mail

We make use of POP3 Protocol to receive mail , utilize SMTP Protocol to send email ,python Built in support of two protocols , Therefore, the concrete implementation is very simple and easy .

notes 1:

I used Sina mailbox on the computer , The mobile email I used QQ mailbox .

(2) Check the condition of the computer

Direct use of PIL Modular ImageGrab.grab() Function to take a screenshot of the computer , Then send the computer screenshot to the mobile phone by e-mail .

If you want to see how the model works , Just display the model training interface on the desktop before leaving ~

(3) Extensibility

In addition to checking the status of the computer , At present, only cmd Command control computer , If you need to add other functions , You can add... At the position shown in the figure below :

def run(self):
print('[INFO]:Start server successfully...')
while True:
mails ='list')['list'][1]
if len(mails) > self.num_msg:
for i in range(self.num_msg+1, len(mails)+1):
res =
res_from = res[i]['From']
res_from = re.findall(r'<(.*?)>', res_from)[0].lower()
if res_from != options['sender']['email'].lower():
command = res[i]['Subject']
if command in word2cmd_dict:
command = word2cmd_dict[command]
if command == 'screenshot':
savename = './screenshot.jpg'
is_success =
if not is_success:
raise RuntimeError('Fail to send screenshot...')
print('[INFO]: Send screenshot successfully...')
print('[Error]: Fail to send screenshot...')
self.num_msg = len(mails)

(4) Ease of use

cmd The command is too long. It's inconvenient to call on the mobile phone or can't remember what to do ? You can word2cmd.json Set shortcut command language in :



① The computer failed to send mail ?

Solution :

If the email sent by the computer is recognized as spam, so that the mobile terminal cannot view the computer status , You can log in to the mailbox used by the computer with your mobile phone , View returned mail , In this way, you can check the health of the computer on your mobile phone .

notes 3:

If it is a mobile email, it will be rejected , You can set up a white list .

② The computer cannot log in to the mailbox ?

Solution :

You need to turn on SMTP and POP3 service :



The password should be the client authorization password , Not the login password . Of course, the login password of sina mailbox is the client authorization password .

Using the demonstration

Step1: Modify the configuration file

The configuration file that must be modified is :


effect :

Set the information of computer and mobile mailbox . The information of the mobile phone mailbox is used to verify whether the sender is the person who legally controls the computer , The information of the computer mailbox is used to receive and send mail at the computer .

If encryption is needed SMTP conversation , Please set up enable_ssl by true, And set the correct port number .


Select the modified configuration file as :


effect :

Set shortcut command language .

Step2: function file


Send instructions :



Execution instruction :


result :


This is the end of the article , Thanks for watching , Follow me and share every day Python Gadget series , The next article shares interesting applets

To thank readers , I want to share with you some of my recent collections of programming dry goods , Give back to every reader , I hope I can help you .

Dry goods mainly include :

① 2000 Multiple copies Python e-book ( There should be both mainstream and classic books )

② Python Standard library information ( The most complete Chinese version )

③ Project source code ( Forty or fifty interesting and classic training projects and source code )

④ Python Basic introduction 、 Reptiles 、web Development 、 Big data analysis video ( Suitable for Xiaobai to learn )

⑤ Python Learning Roadmap ( Farewell to bad learning )

⑥ Two days of Python Live access to reptile camp

**All done~ Full source code + For dry goods, please refer to the profile of your home page or private letter for details

本文为[Chu_ Yang]所创,转载请带上原文链接,感谢

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