订阅者返回订阅者非信息

import smtplib
from email.mime.text import MIMEText

def send_notification(subscriber_email, message):
    try:
        msg = MIMEText(message)
        msg['Subject'] = 'Notification'
        msg['From'] = 'noreply@example.com'
        msg['To'] = subscriber_email

        smtp_server = smtplib.SMTP('smtp.example.com')
        smtp_server.send_message(msg)
        smtp_server.quit()
        print(f"Notification sent to {subscriber_email}")
    except Exception as e:
        print(f"Failed to send notification to {subscriber_email}: {e}")

def check_subscriber_status(subscriber_email):
    # 模拟检查订阅者状态
    if subscriber_email == 'nonexistent@example.com':
        return False
    return True

def main():
    subscribers = ['user1@example.com', 'user2@example.com', 'nonexistent@example.com']
    message = "Hello, this is a test notification."

    for subscriber in subscribers:
        if check_subscriber_status(subscriber):
            send_notification(subscriber, message)
        else:
            print(f"Subscriber {subscriber} is not active or does not exist.")

if __name__ == "__main__":
    main()