网站已到期

import smtplib
from email.mime.text import MIMEText

def send_renewal_reminder(email, domain, expiration_date):
    msg = MIMEText(f"您的域名 {domain} 即将于 {expiration_date} 到期，请及时续费。")
    msg['Subject'] = '域名到期提醒'
    msg['From'] = 'noreply@example.com'
    msg['To'] = email

    smtp_server = 'smtp.example.com'
    smtp_port = 587
    smtp_username = 'your_username'
    smtp_password = 'your_password'

    with smtplib.SMTP(smtp_server, smtp_port) as server:
        server.starttls()
        server.login(smtp_username, smtp_password)
        server.sendmail(msg['From'], msg['To'], msg.as_string())

# 示例调用
send_renewal_reminder('user@example.com', 'mywebsite.com', '2023-12-31')