Re: [Imap-protocol] Yahoo Imap 'Bad Sequence' error

On 6 Mar 2013 20:20, "Jeff McKay" <[email protected]> wrote:
>
> Working with Yahoo's imap server, I have code that just does a bunch of
FETCH commands of the
> inbox, until they are all downloaded.  In one case, the inbox has 69000+
messages.  My code starts
> at the highest, and works downward.  After 45 successful message
downloads, Yahoo responds to
> the fetch command with "BAD [CLIENTBUG] FETCH Bad sequence in the
command".
>
> Anybody know what this means?  I have had no problem with this code when
connected to other
> imap servers.

It mostly means that Yahoo is a crock.

I have a feeling we've seen this one recently, but I don't have the details
to hand. Is this a UID FETCH? And does the UID in the sequence set exist?
If not, then I think Yahoo might reject it, even if it certainly shouldn't
be doing so.

Yahoo will also sometimes not return data for messages that do exist, and
give an error message in the tagged OK (repeating the FETCH works), and
also refuse outright to tell you about other messages (particularly deleted
drafts).

Dave.

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