Gmail收件箱只读

Question

我在尝试让我的 IMAP STORE 命令在 Gmail 上工作时遇到了问题。通过搜索，我发现好像有很多人也遇到了这个问题，有些人找到了解决办法但没说是什么，有些人则干脆不再提了。我现在不知道该怎么解决。

当我连接到 Gmail 时，我只能获得邮箱的只读访问权限。

2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] C: '0003 EXAMINE INBOX'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* FLAGS (\\Answered \\Flagged \\Draft \\Deleted \\Seen)'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* OK [PERMANENTFLAGS ()] Flags permitted.'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* OK [UIDVALIDITY 1] UIDs valid.'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* 22 EXISTS'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* 0 RECENT'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '* OK [UIDNEXT 110] Predicted next UID.'
2013-03-05 01:22:47-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '0003 OK [READ-ONLY] INBOX selected. (Success)'

所以当我选择收件箱时，它是只读的。

然后我尝试删除一条消息时，出现了这个错误。

2013-03-05 01:43:04-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] C: '000E STORE 2 FLAGS.SILENT (\\Deleted)'
2013-03-05 01:43:04-0500 [IMAP4Client (TLSMemoryBIOProtocol),client] S: '000E NO STORE attempt on READ-ONLY folder (Failure)'

Twisted 报告了这个错误，提示在只读文件夹上尝试 STORE，这是可以理解的，因为我只获得了只读权限。我该如何获得读写权限呢？

Traceback (most recent call last):
Failure: twisted.mail.imap4.IMAP4Exception: STORE attempt on READ-ONLY folder (Failure)

RFC 信息 https://www.rfc-editor.org/rfc/rfc3501#section-6.3.1

  If the client is permitted to modify the mailbox, the server
  SHOULD prefix the text of the tagged OK response with the
  "[READ-WRITE]" response code.

  If the client is not permitted to modify the mailbox but is
  permitted read access, the mailbox is selected as read-only, and
  the server MUST prefix the text of the tagged OK response to
  SELECT with the "[READ-ONLY]" response code.  Read-only access
  through SELECT differs from the EXAMINE command in that certain
  read-only mailboxes MAY permit the change of permanent state on a
  per-user (as opposed to global) basis.  Netnews messages marked in
  a server-based .newsrc file are an example of such per-user
  permanent state that can be modified with read-only mailboxes.

我知道 Gmail 的 IMAP 实现有问题（ http://memegenerator.net/instance/35708036 ），但据我所知，Mail.app、Thunderbird 等应用能够删除消息，那我缺少什么才能获得读写权限呢……

删除代码

def delete_data(self, data_hash):
    if not self.hash_database.hash_in_list(data_hash):
        print "Data hash isn't uploaded yet"
        raise IOError("No such data hash uploaded")

    else:
        # delete it to prevent anyone from trying to download it while it is being deleted
        self.hash_database.delete_hash(data_hash)
        d = self.imap_connection.search("SUBJECT", "\"EMS Data ID: %s\"" % data_hash, uid = False)
        d.addCallback(self.delete_message)
        d.addErrback(self.deletion_error, data_hash)
        return d

def deletion_error(self, error, data_hash):
    print "Couldn't delete message hash %s" % data_hash
    print "========Deletion Error========"
    log.err(error)
    # restore hash to database
    self.hash_database.add_hash(data_hash)
    
    raise IOError("Couldn't delete message hash")
    

def delete_message(self, id):
    if len(id) == 0:
        raise IOError("Hash not found, however database indicates it was uploaded")
    d = self.imap_connection.setFlags(id[-1], ["\\Deleted"])
    d.addCallback(lambda result: self.imap_connection.expunge())
    return d

gmail twisted imap 邮件客户端 rfc3501 只读权限邮件删除邮箱访问

Gmail收件箱只读

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