python send email script

This article mainly introduces the python script for sending emails in detail. It supports multiple attachments and is in Chinese. It has a certain reference value. Interested friends can refer to it.

The examples in this article are shared with you. The specific code for sending emails in python is provided for your reference. The specific content is as follows

#!/usr/bin/env python 
# -*- coding: utf-8 -*- 
import smtplib 
import sys 
from email.mime.text import MIMEText 
import linecache 
import email 
import os 
 
 
##################### 
# set email service host,user,pass word,postfix 
mail_host="smtp.exmail.qq.com" 
mail_user="username" 
mail_pass="password" 
mail_postfix="qq.com" 
###################### 
 
def transfer_utf8_to_gb2312(file_name): 
 f=open(file_name) 
 s=f.read() 
 f.close() 
 u=s.decode("utf-8") 
 s=u.encode("gb2312") 
 f=open(file_name,"w"); 
 f.write(s) 
 
 
def send_mail(to_list,sub,content_file_name): 
 me=mail_user+"<"+mail_user+"@"+mail_postfix+">" 
 msg = email.MIMEMultipart.MIMEMultipart() 
 content = open(content_file_name.encode("utf-8"), &#39;rb&#39;) 
 content_msg = MIMEText(content.read(),"plain","utf-8") 
 msg.attach(content_msg) 
 msg[&#39;Subject&#39;] = sub 
 msg[&#39;From&#39;] = me 
 msg[&#39;To&#39;] = ";".join(to_list) 
 try: 
  s = smtplib.SMTP() 
  s.connect(mail_host) 
  s.login(mail_user+"@"+mail_postfix,mail_pass) 
  s.sendmail(me, to_list, msg.as_string()) 
  s.close() 
  return True 
 except Exception, e: 
  print "error:",str(e) 
  return False 
 
def send_mail_with_attachment(to_list,sub,content_file_name,attachment_file_name): 
 me=mail_user+"<"+mail_user+"@"+mail_postfix+">" 
 msg = email.MIMEMultipart.MIMEMultipart() 
 content = open(content_file_name.encode("utf-8"), &#39;rb&#39;) 
 content_msg = MIMEText(content.read(),"plain","utf-8") 
 msg.attach(content_msg) 
 for tmp_attachment_file_name in attachment_file_name.split(","): 
  contype = &#39;application/octet-stream&#39; 
  maintype, subtype = contype.split(&#39;/&#39;, 1) 
  file_data = open(tmp_attachment_file_name.encode("utf-8"), &#39;rb&#39;) 
  file_msg = email.MIMEBase.MIMEBase(maintype, subtype) 
  file_msg.set_payload(file_data.read()) 
  file_data.close( ) 
  email.Encoders.encode_base64(file_msg) 
  basename = os.path.basename(tmp_attachment_file_name) 
  file_msg.add_header(&#39;Content-Disposition&#39;, &#39;attachment&#39;, filename = basename.encode("utf-8")) 
  msg.attach(file_msg) 
 msg[&#39;Subject&#39;] = sub 
 msg[&#39;From&#39;] = me 
 msg[&#39;To&#39;] = ";".join(to_list) 
 try: 
  s = smtplib.SMTP() 
  s.connect(mail_host) 
  s.login(mail_user+"@"+mail_postfix,mail_pass) 
  s.sendmail(me, to_list, msg.as_string()) 
  s.close() 
  return True 
 except Exception, e: 
  print "error:",str(e) 
  return False 
 
def print_usage(): 
  print "Usage: " 
  print "  %s email_send_list(xxx@163.com,xxx@qq.com,...) subject content_file_name" % (sys.argv[0]) 
  print "  %s email_send_list(xxx@163.com,xxx@qq.com,...) subject content_file_name attachment_file_name(file_name1,file_name2,...) if_transform_attachment_to_gb2312(yes or not)" % (sys.argv[0]) 
 
######Start from here######### 
if __name__ == &#39;__main__&#39;: 
 reload(sys) 
 sys.setdefaultencoding(&#39;utf8&#39;) 
 if len(sys.argv) == 6: 
  send_list = sys.argv[1].split(",") 
  subject = unicode(sys.argv[2],"utf-8") 
  content_file_name = unicode(sys.argv[3],"utf-8") 
  attachment_file_name = unicode(sys.argv[4],"utf-8") 
  if(sys.argv[5] == "yes"): 
   transfer_utf8_to_gb2312(attachment_file_name.decode("utf-8")) 
  elif(sys.argv[5] == "not"): 
   pass 
  else: 
   print_usage() 
 
  if send_mail_with_attachment(send_list,subject,content_file_name,attachment_file_name): 
   print "Send email success!" 
  else: 
   print "Send email fail!" 
   sys.exit(1) 
 elif len(sys.argv) == 4: 
  send_list = sys.argv[1].split(",") 
  subject = unicode(sys.argv[2],"utf-8") 
  content_file_name = unicode(sys.argv[3],"utf-8") 
 
  if send_mail(send_list,subject,content_file_name): 
   print "Send email success!" 
  else: 
   print "Send email fail!" 
   sys.exit(1) 
 else: 
  print_usage()

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