python 发送邮件的示例代码(Python2/3都可以直接使用)

时间:2022-11-05 20:51:16

发送普通邮件

发送文本和html普通邮件如下:

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from email.header import Header
from email.mime.text import MIMEText
from email.utils import parseaddr, formataddr
 
import smtplib
 
def _format_addr(s):
  name, addr = parseaddr(s)
  return formataddr((Header(name, 'utf-8').encode(), addr))
 
def get_server(username):
  """
  通过邮箱地址获得邮箱服务器
  :param username:用户名,比如:123456@qq.com
  :return: 邮箱服务器地址,可以根据自己实际业务添加,比如:smtp.qq.com
  """
  servers = {'qq' : 'smtp.qq.com'
        , '126' : 'smtp.126.com'
        , '163' : 'smtp.163.com'
        , '139' : 'smtp.139.com'}
 
  for key,value in servers.items():
    if key in username:
      return value
 
def send_mail(username, password, to, sender_name, subject, content, email_type):
  """
  :param username:
  :param password:
  :param to: 接收者列表 []
  :param sender_name:
  :param subject:
  :param content:
  :param email_type:
  :return:
  """
  from_addr = username
  password = password
  to_addr = to
  smtp_server = get_server(username)
 
  # 邮件正文是MIMEText类型
  msg = MIMEText('%s'%(content), '%s'%(email_type), 'utf-8')
  msg['From'] = _format_addr('%s<%s>' % (sender_name, from_addr))
  msg['To'] = _format_addr('<%s>' % to_addr)
  msg['Subject'] = Header('%s'%(subject), 'utf-8').encode()
 
  # 普通登陆端口是25,带ssl验证时候端口是465
  # smtp_server = 'smtp.exmail.qq.com'
  # server = smtplib.SMTP_SSL(smtp_server, 465)
  server = smtplib.SMTP(smtp_server, 25)
  server.set_debuglevel(1)
  server.login(from_addr, password)
  server.sendmail(from_addr, to_addr, msg.as_string())
  server.quit()
 
if __name__ == '__main__':
  """发送简单文本邮件"""
  username = '******@126.com'
  password = '******'
  sender_name = '******@126.com'
  subject = 'test 邮件'
  content = '<html><h1>ikeguang 的来信</h1></html> <a href="http://www.ikeguang.com" rel="external nofollow" >ikeguang.com</a></html>'
  # email_type 取值:plain,文本类型邮件;html,html类型邮件
  email_type = 'html'
  _to = ['******@126.com', '******@qq.com']
  for to in _to:
    send_mail(username, password, to, sender_name, subject, content, email_type)
    print('send mail to %s success' % to)

发送带附件的邮件

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def send_mail_multipart(username, password, to, sender_name, subject, content, email_type):
  from_addr = username
  password = password
  to_addr = to
  smtp_server = get_server(username)
 
  msg = MIMEMultipart()
  # 邮件正文是MIMEText类型
  msg.attach(MIMEText('%s'%(content), '%s'%(email_type), 'utf-8'))
  msg['From'] = _format_addr('%s<%s>' % (sender_name, from_addr))
  msg['To'] = _format_addr('<%s>' % to_addr)
  msg['Subject'] = Header('%s'%(subject), 'utf-8').encode()
 
  # 读取附件
  filename = 'D:/我的文件/Codes/PyCode/source/image/0.jpg'
  with open(filename, 'rb') as f:
    # 设置附件的MIME和文件名,这里是png类型:
    mime = MIMEBase('image', 'jpg', filename='0.jpg')
    # 加上必要的头信息:
    mime.add_header('Content-Disposition', 'attachment', filename='0.jpg')
    mime.add_header('Content-ID', '<0>')
    mime.add_header('X-Attachment-Id', '0')
    # 把附件的内容读进来:
    mime.set_payload(f.read())
    # 用Base64编码:
    encoders.encode_base64(mime)
    # 添加到MIMEMultipart:
    msg.attach(mime)
 
  # 普通登陆端口是25,带ssl验证时候端口是465
  # smtplib.SMTP_SSL(smtp_server, 465)
  server = smtplib.SMTP(smtp_server, 25)
  server.set_debuglevel(1)
  server.login(from_addr, password)
  server.sendmail(from_addr, [to_addr], msg.as_string())
  server.quit()

原文链接:http://www.ikeguang.com/?p=331