域名邮箱取消

import imaplib
import email
from email.header import decode_header

def backup_emails(username, password, imap_server):
    mail = imaplib.IMAP4_SSL(imap_server)
    mail.login(username, password)
    mail.select("inbox")

    _, data = mail.search(None, 'ALL')
    email_ids = data[0].split()

    for e_id in email_ids:
        _, msg_data = mail.fetch(e_id, '(RFC822)')
        for response_part in msg_data:
            if isinstance(response_part, tuple):
                msg = email.message_from_bytes(response_part[1])
                subject, encoding = decode_header(msg['Subject'])[0]
                if isinstance(subject, bytes):
                    subject = subject.decode(encoding or 'utf-8')
                print(f'Subject: {subject}')
                # 保存邮件到本地文件或其他存储方式
                with open(f'email_{e_id}.eml', 'wb') as f:
                    f.write(response_part[1])

    mail.logout()

# 示例调用
backup_emails('your_email@yourdomain.com', 'your_password', 'imap.yourdomain.com')