python Gmail嵌入HTML圖片

#!/usr/bin/env python3    
#coding: utf-8    
  
import smtplib    
from email.mime.multipart import MIMEMultipart    
from email.mime.text import MIMEText    
from email.mime.image import MIMEImage    
    
sender = 'XXXX@XXXX'    
receiver = 'XXXX@XXXX'    
subject = 'python email test'    
smtpserver = 'smtp.163.com'    
username = 'xXXX@XXXX'    
password = 'XXXXX'    
    
msgRoot = MIMEMultipart('related')    
msgRoot['Subject'] = 'test message'    
    
msgText = MIMEText('Some HTML text and an image.

good!','html','utf-8')    
msgRoot.attach(msgText)    
    
fp = open('/home/cheng/Desktop/1.png', 'rb')    
msgImage = MIMEImage(fp.read())    
fp.close()    
    
msgImage.add_header('Content-ID', '')    
msgRoot.attach(msgImage)    
    
smtp = smtplib.SMTP('smtp.gmail.com', 587)    
smtp.ehlo()
smtp.starttls()
# smtp.connect('smtp.163.com')    
smtp.login(username, password)    
smtp.sendmail(sender, receiver, msgRoot.as_string())    
smtp.quit()