初始化提交，包含完整的邮件系统代码

test_smtp.py

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+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+import sys
+
+def send_test_email(host='localhost', port=2525, sender='test@example.com', recipient='user@example.com'):
+    """发送测试邮件"""
+    
+    # 创建邮件内容
+    msg = MIMEMultipart()
+    msg['From'] = sender
+    msg['To'] = recipient
+    msg['Subject'] = '测试邮件 - 邮箱系统'
+    
+    # 添加正文
+    body = """
+    这是一封测试邮件。
+    
+    邮箱系统测试。
+    
+    验证码: TEST123
+    验证链接: http://example.com/verify?code=123456
+    """
+    msg.attach(MIMEText(body, 'plain'))
+    
+    try:
+        # 连接SMTP服务器
+        server = smtplib.SMTP(host, port)
+        server.set_debuglevel(1)  # 启用调试
+        
+        # 发送邮件
+        server.sendmail(sender, recipient, msg.as_string())
+        
+        # 关闭连接
+        server.quit()
+        
+        print(f"邮件发送成功: {sender} -> {recipient}")
+        return True
+    except Exception as e:
+        print(f"邮件发送失败: {str(e)}")
+        return False
+
+if __name__ == "__main__":
+    # 获取命令行参数
+    host = 'localhost'
+    port = 2525
+    sender = 'test@example.com'
+    recipient = 'user@example.com'
+    
+    # 处理命令行参数
+    if len(sys.argv) > 1:
+        host = sys.argv[1]
+    if len(sys.argv) > 2:
+        port = int(sys.argv[2])
+    if len(sys.argv) > 3:
+        sender = sys.argv[3]
+    if len(sys.argv) > 4:
+        recipient = sys.argv[4]
+    
+    print(f"发送测试邮件到SMTP服务器 {host}:{port}")
+    print(f"发件人: {sender}")
+    print(f"收件人: {recipient}")
+    
+    send_test_email(host, port, sender, recipient)