Python实现一个简单的能够发送带附件的邮件

可以使用Python的smtplib和email模块来实现发送带附件的邮件。以下是一个简单的示例代码：

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication

def send_email_with_attachment(sender_email, sender_password, recipient_email, subject, body, attachment_path):
    # 设置SMTP服务器和端口号
    smtp_server = 'smtp.example.com'
    smtp_port = 587

    # 创建MIMEMultipart对象，用于构建邮件内容
    msg = MIMEMultipart()
    msg['From'] = sender_email
    msg['To'] = recipient_email
    msg['Subject'] = subject

    # 添加邮件正文
    msg.attach(MIMEText(body, 'plain'))

    # 添加附件
    with open(attachment_path, 'rb') as f:
        attachment = MIMEApplication(f.read())
        attachment.add_header('Content-Disposition', 'attachment', filename=attachment_path)
        msg.attach(attachment)

    # 登录SMTP服务器并发送邮件
    with smtplib.SMTP(smtp_server, smtp_port) as server:
        server.starttls()
        server.login(sender_email, sender_password)
        server.send_message(msg)

# 使用示例
sender_email = 'your_email@example.com'
sender_password = 'your_email_password'
recipient_email = 'recipient@example.com'
subject = 'Test Email with Attachment'
body = 'This is a test email with an attachment.'
attachment_path = 'path/to/your/attachment.txt'

send_email_with_attachment(sender_email, sender_password, recipient_email, subject, body, attachment_path)

在上面的代码中，需要替换 sender_email、sender_password、recipient_email为发件人和收件人的实际邮箱地址，smtp_server和 smtp_port为你的SMTP服务器地址和端口号，attachment_path为要发送的附件文件的路径。

注意：使用SMTP发送邮件涉及到邮箱账号密码等敏感信息，请确保代码安全性，不要将敏感信息硬编码在代码中。推荐使用配置文件或环境变量来保存这些信息。

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