最完整的python2.7邮件发送示例（包含文本，附件，正文图片等）

    email以及smtplib
    
    
      
    
    代码解释

    创建协议对象
    连接邮件服务器
    登陆并发送邮件
    
    
      
      
      
    
    代码解释

    from email.header import Header
    from email.mime.base import MIMEBase
    from email.mime.text import MIMEText
    import mimetypes
    
    from email.mime.multipart import MIMEMultipart
    import os
    import smtplib
    
    from email import Encoders as email_encoders
    
    
    class Message(object):
    def __init__(self, from_addr, to_addr, subject="", html="", text=None, cc_addr=[], attachment=[]):
    
        self.from_addr = from_addr
        self.subject = subject
    
        if to_addr:
            if isinstance(to_addr, list):
                self.to_addr = to_addr
            else:
                self.to_addr = [d for d in to_addr.split(',')]
        else:
            self.to_addr = []
    
        if cc_addr:
            if isinstance(cc_addr, list):
                self.cc_addr = cc_addr
            else:
                self.cc_addr = [d for d in cc_addr.split(',')]
        else:
            self.cc_addr = []
    
        if html is not None:
            self.body = html
            self.body_type = "html"
        else:
            self.body = text
            self.body_type = "plain"
    
        self.parts = []
        if isinstance(attachment, list):
            for file in attachment:
                self.add_attachment(file)
    
    def add_attachment(self, file_path, mimetype=None):
        """
            If *mimetype* is not specified an attempt to guess it is made. If nothing
            is guessed then `application/octet-stream` is used.
        """
        if not mimetype:
            mimetype, _ = mimetypes.guess_type(file_path)
    
        if mimetype is None:
            mimetype = 'application/octet-stream'
    
        type_maj, type_min = mimetype.split('/')
        with open(file_path, 'rb') as fh:
            part_data = fh.read()
    
            part = MIMEBase(type_maj, type_min)
            part.set_payload(part_data)
            email_encoders.encode_base64(part)
    
            part_filename = os.path.basename(file_path)
            part.add_header('Content-Disposition', 'attachment; filename="%s"'
                            % part_filename)
            part.add_header('Content-ID', part_filename)
    
            self.parts.append(part)
    
    def __to_mime_message(self):
        """Returns the message as
        :py:class:`email.mime.multipart.MIMEMultipart`."""
    
        ## To get the message work in iOS, you need use multipart/related, not the multipart/alternative
        msg = MIMEMultipart('related')
        msg['Subject'] = self.subject
        msg['From'] = self.from_addr
        msg['To'] = ','.join(self.to_addr)
    
        if len(self.cc_addr) > 0:
            msg['CC'] = ','.join(self.cc_addr)
    
        body = MIMEText(self.body, self.body_type)
        msg.attach(body)
    
        # Add Attachment
        for part in self.parts:
            msg.attach(part)
    
        return msg
    
    def send(self, smtp_server='localhost'):
    
        smtp = smtplib.SMTP()
        smtp.connect(smtp_server)
        smtp.sendmail(from_addr=self.from_addr, to_addrs=self.to_addr + self.cc_addr, msg=self.__to_mime_message().as_string())
        smtp.close()
    
    
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
    
    代码解释

    from mail_base import Message
    import datetime
    from_addr = 'xxx'
    mail_to = 'xxx'
    
    
    def send_go():
    time_now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M')
    attach_files = ['testcsv.xlsm','test1.jpg','test2.jpg','test3.jpg']
    mail_msg = """
        <p>Hi Lockey:</p>
        <p><img src="cid:test1.jpg"></p>####要特别注意这里，正文插入图片的特殊格式！！！
        <hr/>
        <p style="text-indent:16px">Here is the latest paper link from The Economist, you can click <a href="https://lockeycheng.github.io/iooi/index.html">Go</a> for a full view!</p>
        <hr/>
        <p>Best Regards</p>
        <p>
            Any question please mail to <a href='mailto:iooiooi23@163.com'>Lockey23</a>.
        </p>
        <p>Sent at {} PST</p>
        """.format(time_now)
    subject = '[Halo] - ' + 'A new paper published!'
    msg = Message(from_addr=from_addr,
                  to_addr=[mail_to],
                  cc_addr=[mail_to],
                  subject=subject,
                  attachment=attach_files,
                  html=mail_msg
                  )
    msg.send()
    
    if __name__ == '__main__':
    send_go()
    
    
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
    
    代码解释

    ~$ python sendGo.py
    
    
      
    
    代码解释