How to use the yagmail.SMTP function in yagmail

def CLIsendMail(self):
    usrEmail = input("Great! What is your e-mail address? ")
    usrPass = getpass.getpass(prompt = "What is your password: ")
    yag = yagmail.SMTP(usrEmail, usrPass)
    content = input("Please enter the body of the e-mail: ")
    cryptContent = self.encrypt(content)

    sendTo = input("Who do you want to send this to? ")
    subject = input("Subject line? ")

    yag.send(sendTo, subject, cryptContent)

    print("Message sent successfully!!!")
    again = input("Send another message? (yes/no) ")
    if again == 'yes' or again == 'Yes':
      self.CLIsendMail()
    else:
      print("Goodybye!")
      sys.exit(0)

[sg.Button('Send'), sg.Button('Home'), sg.Button('Exit')]]
  # Show the window to the user
  window = sg.Window('emailEncryptor').Layout(layout)
  window2 = sg.Window('Cipher Selector').Layout(layout2)
  window3 = sg.Window('Stegonagraphy encryptor').Layout(layout3)
  # Send the mail
  while True:
    button, values = window2.Read()
    if button == 'Next':
      if values[0] == True:
        # Determine if Caesar radio button is selected
        window2.Hide()
        button2, values2 = window.Read()
        if button2 == 'Send':
          encryptedContent = caesar.encrypt(values2[4])
          yag = yagmail.SMTP(values2[0], values2[1])
          yag.send(values2[2], values2[3], encryptedContent)
          sg.Popup('Email sent succesfully!')
        if button2 == 'Home':
          window.Hide()
          home()
        else:
          sys.exit()
      elif values[1] == True:
        window2.Hide()
        while True:
          button3, values3 = window3.Read()
          if button3 == 'Send':
            if values3[4] == '':
              sg.Popup("Please enter a message!")
              break
            file = open('temp.txt', 'w')

home()
        else:
          sys.exit()
      elif values[1] == True: #Steg has been selected
        window2.Hide()
        button3, values3 = window3.Read()
        if button3 == 'Send':
          if values3[4] == '':
            sg.Popup("Please enter a message!")
            break
          file = open('temp.txt', 'w')
          file.write(values3[4])
          file.close()
          encryptedImage = realSteg.encrypt('temp.txt', values3[5])
          os.remove('temp.txt')
          yag = yagmail.SMTP(values3[0], values3[1])
          yag.send(values3[2], values3[3], 'new.png')
          sg.Popup('Email sent succesfully!')
          os.remove('new.png')
        elif button3 == 'Home':
            window3.Hide()
            home()
        else:
            sys.exit()

    elif button == 'Home':
      window2.Hide()
      home()
    else:
      sys.exit()

def Email(file=None):
    """
    open email pop/stmp function and input right host、passwd.
    """
    try:
        yag = yagmail.SMTP(
            user=config['seed_email_user'],
            password=config['seed_email_pass'],
            host=config['seed_email_host']
        )
        body = 'God is a girl'
        yag.send(
            to=config['receive_email_user'],
            subject='Subdomains',
            contents=[body, file])
        print '[-] Send Email Success!!!'
    except:
        print '[-] Send Email Error!!!'

elif attachments == '':
            attachments = []
        # compose message
        current_time = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        if self.config['email']['enable-all']:
            statement = 'The pylinac watcher analyzed the file named or containing "{}" at {}. '
            statement += 'The analysis results are in the folder "{}".'
        elif self.config['email']['enable-failure']:
            statement = 'The pylinac watcher analyzed the file named or containing "{}" at {} and '
            statement += 'found something that failed your configuration settings.'
            statement += 'The analysis results are in the folder "{}".'
        statement = statement.format(name, current_time, osp.dirname(self.full_path))
        # send the email
        contents = [statement] + attachments
        recipients = [recipient for recipient in self.config['email']['recipients']]
        yagserver = yagmail.SMTP(self.config['email']['sender'], self.config['email']['sender-password'])
        yagserver.send(to=recipients,
                       subject=self.config['email']['subject'],
                       contents=contents)
        logger.info("An email was sent to the recipients with the results")

to_email_list = to_email_list.encode('utf8') if isinstance(to_email_list, unicode) else to_email_list
        to_email_list = [email.encode('utf8') if isinstance(email, unicode) else email for email in
                         to_email_list] if isinstance(to_email_list, (list, tuple)) else to_email_list

        cc = cc.encode('utf8') if isinstance(cc, unicode) else cc
        cc = [email.encode('utf8') if isinstance(email, unicode) else email for email in cc] if isinstance(cc, (
            list, tuple)) else cc

        user = b'ai_public@gow.cn'
        password = b'AI_public123'
        host = b'smtp.exmail.qq.com'
        port = b'25'

    # 初始化一个SMTP客户端,并发送邮件
    # yagmail.SMTP()默认使用的gmail的SMTP服务
    with yagmail.SMTP(user=user, password=password, host=host, port=port)as yag:
        yag.send(to=to_email_list, subject=subject, contents=contents, attachments=attachments, cc=cc, bcc=bcc)

# https://developers.google.com/gmail/api/quickstart/python
# if you want more security

# Use paid plan with https://gsuite.google.com/pricing.html
# or https://github.com/tomav/docker-mailserver

import sys
sys.path.append("..")

import yagmail
from termcolor import colored

from settings import GITHUB_TOKEN, email_author
from draft import body # use files in templates instead of this while you refer to the Rust version.

yag = yagmail.SMTP(email_author) # email_author will be youremail in youremail@email.com

subject = input("What is the subject?\n")

colored_comma = colored(',', attrs=["bold"])
to = input(f"Who will receive this email?(Use {colored_comma} to send the email for many users)\n")

colored_options = colored("(pt|en)", attrs=["bold"])
response = input(f"What language you want to use for the mail?{colored_options}\n")

resume_en = "files/cv-en.pdf"
resume_pt = "files/cv-pt.pdf"
img = "static/favicon.ico"

contents = [
    body[response],
    resume_pt,

def smtp(self):
        if self._smtp is None:
            from yagmail import SMTP
            self._smtp = SMTP(self.email, **self._kwargs)
        return self._smtp

def send_email_163(subject, body, file):
    # 配置163发送邮件的主体账户选项
    yag = yagmail.SMTP(user='xugongli2012@163.com', password='', host='smtp.163.com', port='465')
    body = body
    # 配置接收邮件的邮箱
    yag.send(to=['982749459@qq.com'], subject=subject, contents=[body, r'%s' % file])