smtplib模塊負責發送郵件：是一個發送郵件的動作，連接郵箱服務器，登錄郵箱，發送郵件（有發件人，收信人，郵件內容）。

email模塊負責構造郵件：指的是郵箱頁面顯示的一些構造，如發件人，收件人，主題，正文，附件等。

email模塊下有mime包，mime英文全稱為“Multipurpose Internet Mail Extensions”，即多用途互聯網郵件擴展，是目前互聯網電子郵件普遍遵循的郵件技術規范。

該mime包下常用的有三個模塊：text，image，multpart。

import smtplibfrom email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartfrom email.header import Header#郵件服務器信息smtp_server = 'smtp.qq.com'port = 465 # For starttlssender_email = '12345689@qq.com'password='' #get password from mailsetting#發送郵件信息,可以發送給多個收件人receivers=['12345689@163.com','12345689@qq.com']subject='This is import Python SMTP 郵件(文件傳輸) 多媒體測試'# message = MIMEText(text, 'plain', 'utf-8') #文本郵件message = MIMEMultipart()message['Subject'] = Header(subject, 'utf-8')message['from'] = sender_emailmessage['to'] = ','.join(receivers)# 郵件正文內容text='''Dear Sir:how are you ? nfor detail information pls refer to attach1。nThe files you need are as followed.nIf you have any concern pls let me known.nenjoy your weekend.nBEST REGARDS n'''# message.attach(MIMEText(’for detail information pls refer to attach1。n The files you need are as followed. n If you have any concern pls let me known. n enjoy your weekend’, ’plain’, ’utf-8’)message.attach(MIMEText(text,’plain’,’utf-8’))# 構造附件1attach_file1=’IMG1965.JPG’attach1 = MIMEText(open(attach_file1, ’rb’).read(), ’base64’, ’utf-8’)attach1['Content-Type'] = ’application/octet-stream’attach1['Content-Disposition'] = ’attachment; filename={0}’.format(attach_file1)message.attach(attach1)# 構造附件2attach_file2=’YLJ.jpg’attach2 = MIMEText(open(attach_file2, ’rb’).read(), ’base64’, ’utf-8’)attach2['Content-Type'] = ’application/octet-stream’attach2['Content-Disposition'] = ’attachment; filename={0}’.format(attach_file2)message.attach(attach2)# Try to log in to server and send email# server = smtplib.SMTP_SSL(smtp_server,port)server = smtplib.SMTP_SSL(smtp_server,port)try: server.login(sender_email, password) server.sendmail(sender_email,receivers,message.as_string()) print('郵件發送成功!!!') print('Mail with {0} & {1} has been send to {2} successfully.'.format(attach_file1,attach_file2,receivers))except Exception as e: # Print any error messages to stdout print('Error: 無法發送郵件') print(e)finally: server.quit()

結果

郵件發送成功!!!

Mail with IMG1965.JPG & IMG1963.jpg has been send to [’12345689@163.com’, ’12345689@qq.com’] successfully.

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