Python 发送email的方法

import smtplib

from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
from email.MIMEBase import MIMEBase
from email import Encoders

##------------------------------------------------------------------------------
def sendEmail(subject, body, host, sender, recipients):
##    recipients = getRecipientList(recipients)
    header = "Subject: %s\r\nFrom: %s\r\nTo: %s\r\n\r\n" % (
                subject, sender, ", ".join(recipients))
    
    smtp = smtplib.SMTP(host)       
    smtp.sendmail(sender, recipients, header + body)
    smtp.quit()

##------------------------------------------------------------------------------  
def sendEmailWithAttachments(subject, body, host, sender, recipients, attachments):
    msg = MIMEMultipart()
    msg['Subject'] = subject
    msg['From'] = sender
    msg['To'] = ", ".join(recipients)

    msg.preamble = subject
    msg.epilogue = ''    # guarantees the message ends in a newline

    if body:
        msg.attach(MIMEText(body))

    # Handle the attachments:
    for filename in attachments:
        msg.attach(getMIMEMessage(filename))

    smtp = smtplib.SMTP(host)    
    smtp.sendmail(sender, recipients, msg.as_string())
    smtp.quit()

##------------------------------------------------------------------------------  
def sendEmailWithHtmlContent(subject, body, host, sender, recipients):
    msg = MIMEMultipart('alternative')
    msg['Subject'] = subject
    msg['From'] = sender
    msg['To'] = ", ".join(recipients)

    msg.preamble = subject
    msg.epilogue = ''    # guarantees the message ends in a newline

    if body:
        msg.attach(MIMEText(body,'html'))

    smtp = smtplib.SMTP(host)    
    smtp.sendmail(sender, recipients, msg.as_string())
    smtp.quit()
    
##------------------------------------------------------------------------------
def getMIMEMessage(filename):
    fp = open(filename, 'rb')
    msg = MIMEBase('application', 'octet-stream')
    msg.set_payload(fp.read())
    fp.close()
    
    Encoders.encode_base64(msg)     

    # Set the filename parameter:
    msg.add_header('Content-Disposition', 'attachment', filename=filename)

    return msg

##------------------------------------------------------------------------------
def getRecipientList(filename):
    lines = file(filename).readlines()
    return [l.strip() for l in lines
            if l.strip() and not l.startswith('#')]
  
##------------------------------------------------------------------------------
if __name__ == '__main__':

#     sendEmail(subject='Testing',
#               body='This is just a test',
#               host='internalmail.qq.com',
#               sender='[e-mail]',
#               recipients=['[e-mail]'])

#     sendEmailWithAttachments(
#         subject='Testing',
#         body='This is just a test',
#         host='internalmail.qq.com',
#         sender='[e-mail]',
#         recipients=['[e-mail]'],
#         attachments=['mail.py'])

# #  sendEmailWithHtmlContent 
#     mailcontent= open('reboot_success.html','r').read()
#     mailcontent = mailcontent.replace('{processName}', '')
#     mailcontent = mailcontent.replace('{computerName}', '')
#     mailcontent = mailcontent.replace('{serviceName}', '')
#     sendEmailWithHtmlContent(subject='[Warn] has been restarted successfully on ',
#            body=mailcontent,
#            host='internalmail.qq.com',
#            sender='[e-mail]',
#            recipients=['[e-mail]'])
                    
    print '\nDone!\n'