Python uses SMTP to send emails

import smtplib

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

SMTP.sendmail(from_addr, to_addrs, msg[, mail_options, rcpt_options]

#!/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"