如果要发送其他类型的，如果PDF、doc、xls、MP3格式的，我们都可以通过MIMEApplication来完成，MIMEApplication默认子类型是application/octet-stream，而application/octet-stream表明这是个二进制文件，但愿接收方知道怎么处理！！！，然后客户端收到这个声明后会根据文件扩展名来猜测。版一：import smtplibfrom email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartfrom email.mime.application import MIMEApplicationfrom email.header import Header# 第三方 SMTP 服务# 设置服务器mail_host = "smtp.qq.com"# 用户名mail_user = "1320685524@qq.com"#获取授权码mail_pass="mpaocydzpzfjidge"# 发件人账号sender = '1320685524@qq.com'# 接收邮件，可设置为你的QQ邮箱或者其他邮箱receivers = ['1320685524@qq.com']# 创建一个带附件的实例message = MIMEMultipart()# 发件人message['From'] = Header("我是发件人", 'utf-8')# 收件人message['To'] = Header("我是收件人", 'utf-8')subject = 'Python发送带附件的邮件示例'message['Subject'] = Header(subject, 'utf-8')# 邮件正文内容send_content = 'hi man，你收到附件了吗？'content_obj = MIMEText(send_content, 'plain', 'utf-8')message.attach(content_obj)# 构造附件1，发送当前目录下的 t1.txt 文件part1 = MIMEText(open('t1.txt', 'rb').read(), 'base64', 'utf-8')part1.add_header('Content-Disposition', 'attachment', filename='t1.txt')message.attach(part1)# 构造附件2，发送当前目录下的 t6.mp3 文件part2 = MIMEText(open('t6.mp3', 'rb').read(), 'base64', 'utf-8')part2.add_header('Content-Disposition', 'attachment', filename='bg.mp3')message.attach(part2)# 构造附件3，发送当前目录下的 t3.xls 文件part3 = MIMEText(open('t3.xls', 'rb').read(), 'base64', 'utf-8')part3.add_header('Content-Disposition', 'attachment', filename='t3.xls')message.attach(part3)# 构造附件4，发送当前目录下的 t4.doc 文件part4 = MIMEText(open('t4.doc', 'rb').read(), 'base64', 'utf-8')part4.add_header('Content-Disposition', 'attachment', filename='t4.doc')message.attach(part4)# 构造附件5，发送当前目录下的 t5.pdf 文件part5 = MIMEText(open('t5.pdf', 'rb').read(), 'base64', 'utf-8')part5.add_header('Content-Disposition', 'attachment', filename='t5.pdf')message.attach(part5)# 构造附件6，发送当前目录下的 t7.jpg 文件part6 = MIMEText(open('t7.jpg', 'rb').read(), 'base64', 'utf-8')part6.add_header('Content-Disposition', 'attachment', filename='img.jpg')message.attach(part6)try: smtpObj = smtplib.SMTP() # 25 为 SMTP 端口号 smtpObj.connect(mail_host, 25) smtpObj.login(mail_user, mail_pass) smtpObj.sendmail(sender, receivers, message.as_string()) print("邮件发送成功")except smtplib.SMTPException: print("Error: 无法发送邮件")
版二：
import smtplibfrom email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartfrom email.mime.application import MIMEApplicationfrom email.header import Header# 第三方 SMTP 服务# 设置服务器mail_host = "smtp.qq.com"# 用户名mail_user = "1320685524@qq.com"#获取授权码mail_pass="mpaocydzpzfjidge"# 发件人账号sender = '1320685524@qq.com'# 接收邮件，可设置为你的QQ邮箱或者其他邮箱receivers = ['1320685524@qq.com']# 创建一个带附件的实例message = MIMEMultipart()# 发件人message['From'] = Header("我是发件人", 'utf-8')# 收件人message['To'] = Header("我是收件人", 'utf-8')subject = 'Python发送带附件的邮件示例'message['Subject'] = Header(subject, 'utf-8')# 邮件正文内容send_content = 'hi man，你收到附件了吗？'content_obj = MIMEText(send_content, 'plain', 'utf-8')message.attach(content_obj)# 构造附件1，发送当前目录下的 t1.txt 文件part1 = MIMEApplication(open('t1.txt', 'rb').read())part1.add_header('Content-Disposition', 'attachment', filename='t1.txt')message.attach(part1)# 构造附件2，发送当前目录下的 t6.mp3 文件part2 = MIMEApplication(open('t6.mp3', 'rb').read())part2.add_header('Content-Disposition', 'attachment', filename='bg.mp3')message.attach(part2)# 构造附件3，发送当前目录下的 t3.xls 文件part3 = MIMEApplication(open('t3.xls', 'rb').read())part3.add_header('Content-Disposition', 'attachment', filename='t3.xls')message.attach(part3)# 构造附件4，发送当前目录下的 t4.doc 文件part4 = MIMEApplication(open('t4.doc', 'rb').read())part4.add_header('Content-Disposition', 'attachment', filename='t4.doc')message.attach(part4)# 构造附件5，发送当前目录下的 t5.pdf 文件part5 = MIMEApplication(open('t5.pdf', 'rb').read())part5.add_header('Content-Disposition', 'attachment', filename='t5.pdf')message.attach(part5)# 构造附件6，发送当前目录下的 t7.jpg 文件part6 = MIMEApplication(open('t7.jpg', 'rb').read())part6.add_header('Content-Disposition', 'attachment', filename='img.jpg')message.attach(part6)try: smtpObj = smtplib.SMTP() # 25 为 SMTP 端口号 smtpObj.connect(mail_host, 25) smtpObj.login(mail_user, mail_pass) smtpObj.sendmail(sender, receivers, message.as_string()) print("邮件发送成功")except smtplib.SMTPException: print("Error: 无法发送邮件")
来源：https://www.cnblogs.com/zhang-da/p/12231758.html