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# Linux / macOS
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export EMAIL_USER="your@email.com"
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export EMAIL_PASS="your_app_password"
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# Windows PowerShell
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$env:EMAIL_USER="your@email.com"
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$env:EMAIL_PASS="your_app_password"

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import imaplib, email, smtplib, ssl, time, os
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from email.header import decode_header
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from email.utils import parseaddr
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# 读取环境变量
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USER = os.getenv("EMAIL_USER")
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PASS = os.getenv("EMAIL_PASS")
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IMAP_HOST = "imap.qq.com"          # 以 QQ 为例，换成你的邮箱服务器
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SMTP_HOST = "smtp.qq.com"
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SMTP_PORT = 465                    # SSL 端口
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CHECK_INTERVAL = 60                # 每 60 秒检查一次
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def decode_str(s):
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    """解决标题乱码的恶心问题"""
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    if not s:
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        return ""
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    parts = decode_header(s)[0]
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    charset = parts[1] or "utf-8"
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    try:
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        return parts[0].decode(charset)
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    except Exception:
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        return s
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def fetch_unseen():
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    """抓取未读邮件，返回 (发件人, 主题, 正文) 列表"""
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    mail = imaplib.IMAP4_SSL(IMAP_HOST, 993, ssl_context=ssl.create_default_context())
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    mail.login(USER, PASS)
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    mail.select("INBOX")
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    _, data = mail.search(None, "UNSEEN")
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    ids = data[0].split()
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    messages = []
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    for uid in ids:
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        _, raw = mail.fetch(uid, "(RFC822)")
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        msg = email.message_from_bytes(raw[0][1])
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        sender = parseaddr(msg.get("From"))[1]
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        subject = decode_str(msg.get("Subject"))
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        body = ""
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        if msg.is_multipart():
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            for part in msg.walk():
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                ctype = part.get_content_type()
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                if ctype == "text/plain":
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                    body = part.get_payload(decode=True).decode(part.get_content_charset() or "utf-8")
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                    break
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        else:
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            body = msg.get_payload(decode=True).decode(msg.get_content_charset() or "utf-8")
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        messages.append((sender, subject, body))
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    mail.logout()
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    return messages
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def send_alert(text):
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    """收到未读邮件时给你发邮件提醒（可以是微信、短信，这里演示 SMTP）"""
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    ctx = ssl.create_default_context()
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    with smtplib.SMTP_SSL(SMTP_HOST, SMTP_PORT, context=ctx) as server:
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        server.login(USER, PASS)
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        msg = f"Subject: {subject}\n\n{text}"
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        server.sendmail(USER, USER, msg)
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while True:
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    try:
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        unseen = fetch_unseen()
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        if unseen:
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            for sender, subject, body in unseen:
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                # 这里你自定义报警逻辑，下面是发回给自己的示例
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                send_alert(f"发件人: {sender}\n主题: {subject}\n内容: {body[:200]}")
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                print(f"[本宫] 发现新邮件 → {subject}")
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        else:
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            print("[本宫] 没有未读邮件，喝口水继续等……")
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    except Exception as e:
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        print(f"[本宫] 检查出错，错误信息: {e}")
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    time.sleep(CHECK_INTERVAL)