服务器会死机吗

import psutil
import smtplib

def check_cpu_usage():
    cpu_usage = psutil.cpu_percent(interval=1)
    if cpu_usage > 90:
        send_email_alert(cpu_usage)

def send_email_alert(usage):
    sender = "server@example.com"
    receiver = "admin@example.com"
    message = f"Subject: High CPU Usage Alert\n\nCPU usage is at {usage}%"
    
    try:
        smtp_server = smtplib.SMTP('smtp.example.com')
        smtp_server.sendmail(sender, receiver, message)
        smtp_server.quit()
    except Exception as e:
        print(f"Failed to send email: {e}")

if __name__ == "__main__":
    check_cpu_usage()