import smtplib
smtpObj = smtplib.SMTP( [host [, port [, local_hostname]]] )

#!/usr/bin/python

import smtplib

sender = 'from@fromdomain.com'
receivers = ['to@todomain.com']

message = """From: From Person <from@fromdomain.com>
To: To Person <to@todomain.com>
Subject: SMTP e-mail test

This is a test e-mail message.
"""

try:
  smtpObj = smtplib.SMTP('localhost')
  smtpObj.sendmail(sender, receivers, message)     
  print "Successfully sent email"
except SMTPException:
  print "Error: unable to send email"

import smtplib 
from email.mime.text import MIMEText 
mailto_list=["YYY@YYY.com"] 
mail_host="smtp.XXX.com" #设置服务器
mail_user="XXX"  #用户名
mail_pass="XXXX"  #口令 
mail_postfix="XXX.com" #发件箱的后缀
 
def send_mail(to_list,sub,content): #to_list：收件人；sub：主题；content：邮件内容
  me="hello"+"<"+mail_user+"@"+mail_postfix+">"  #这里的hello可以任意设置，收到信后，将按照设置显示
  msg = MIMEText(content,_subtype='html',_charset='gb2312')  #创建一个实例，这里设置为html格式邮件
  msg['Subject'] = sub  #设置主题
  msg['From'] = me 
  msg['To'] = ";".join(to_list) 
  try: 
    s = smtplib.SMTP() 
    s.connect(mail_host) #连接smtp服务器
    s.login(mail_user,mail_pass) #登陆服务器
    s.sendmail(me, to_list, msg.as_string()) #发送邮件
    s.close() 
    return True 
  except Exception, e: 
    print str(e) 
    return False 
if __name__ == '__main__': 
  if send_mail(mailto_list,"hello","<a href='http://www.cnblogs.com/xiaowuyi'>小五义</a>"): 
    print("发送成功")
  else: 
    print("发送失败")

#!/usr/bin/python

import smtplib

message = """From: From Person <from@fromdomain.com>
To: To Person <to@todomain.com>
MIME-Version: 1.0
Content-type: text/html
Subject: SMTP HTML e-mail test

This is an e-mail message to be sent in HTML format

<b>This is HTML message.</b>
<h1>This is headline.</h1>
"""

try:
  smtpObj = smtplib.SMTP('localhost')
  smtpObj.sendmail(sender, receivers, message)     
  print("Successfully sent email")
except SMTPException:
  print("Error: unable to send email")

from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import smtplib

#创建一个带附件的实例
msg = MIMEMultipart()

#构造附件1
att1 = MIMEText(open('d:\\123.rar', 'rb').read(), 'base64', 'gb2312')
att1["Content-Type"] = 'application/octet-stream'
att1["Content-Disposition"] = 'attachment; filename="123.doc"'#这里的filename可以任意写，写什么名字，邮件中显示什么名字
msg.attach(att1)

#构造附件2
att2 = MIMEText(open('d:\\123.txt', 'rb').read(), 'base64', 'gb2312')
att2["Content-Type"] = 'application/octet-stream'
att2["Content-Disposition"] = 'attachment; filename="123.txt"'
msg.attach(att2)

#加邮件头
msg['to'] = 'YYY@YYY.com'
msg['from'] = 'XXX@XXX.com'
msg['subject'] = 'hello world'
#发送邮件
try:
  server = smtplib.SMTP()
  server.connect('smtp.XXX.com')
  server.login('XXX','XXXXX')#XXX为用户名，XXXXX为密码
  server.sendmail(msg['from'], msg['to'],msg.as_string())
  server.quit()
  print '发送成功'
except Exception, e: 
  print(str(e))

#!/usr/bin/python

import smtplib
import base64

filename = "/tmp/test.txt"

# 读取文件内容并使用 base64 编码
fo = open(filename, "rb")
filecontent = fo.read()
encodedcontent = base64.b64encode(filecontent) # base64

sender = 'webmaster@tutorialpoint.com'
reciever = 'amrood.admin@gmail.com'

marker = "AUNIQUEMARKER"

body ="""
This is a test email to send an attachement.
"""
# 定义头部信息
part1 = """From: From Person <me@fromdomain.net>
To: To Person <amrood.admin@gmail.com>
Subject: Sending Attachement
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=%s
--%s
""" % (marker, marker)

# 定义消息动作
part2 = """Content-Type: text/plain
Content-Transfer-Encoding:8bit

%s
--%s
""" % (body,marker)

# 定义附近部分
part3 = """Content-Type: multipart/mixed; name=\"%s\"
Content-Transfer-Encoding:base64
Content-Disposition: attachment; filename=%s

%s
--%s--
""" %(filename, filename, encodedcontent, marker)
message = part1 + part2 + part3

try:
  smtpObj = smtplib.SMTP('localhost')
  smtpObj.sendmail(sender, reciever, message)
  print("Successfully sent email")
except Exception:
  print("Error: unable to send email")