gmail -> gmail: required special treatment?

Dr. D. P. Kreil (Boku) David.Kreil at
Sun Jan 13 03:45:38 GMT 2013


After some interruption and, as part of one of my New Year Resolutions, I
am now back on this case.

The last error I mentioned below can be "fixed" by a patch found online,
changing the line
     if resp == [None]:
     if not resp or resp == [None]:

Now I am back to the previous error message of

Server supports UIDPLUS but got no APPENDUID appending a message.
ERROR: Backend could not find uid for message

I am trying this with the latest released tar ball of to-date (6.5.4-0)

Any idea what might be going wrong?

Best wishes,

On 11 January 2012 05:45, Dr. D. P. Kreil (Boku) <David.Kreil at>wrote:

> Dear Sebastian,
> The situation is odd. I can still recreate the error.
> As soon as I turn on imap logging, however, the error seems to disappear.
> At least the code does not throw a fatal error for a long time.... the log
> is already > 150MB.
> When I abort and rerun without logging, the error is back. Same message
> ID. Same error text.
> What can we do? Would the start of the log be helpful? Despite there being
> no error?
> Many thanks for all your help
> and best wishes,
> David.
> On 9 January 2012 15:28, Sebastian Spaeth <Sebastian at> wrote:
>> On Mon, 9 Jan 2012 09:36:23 +0000, "Dr. D. P. Kreil (Boku)" <
>> David.Kreil at> wrote:
>> > Dear Sebastian,
>> >
>> > It seems to fix the original error. A few messages later, however, I
>> > reproducibly run into the next problem. Log is below. Many thanks for
>> all
>> > your help!
>> I would need an IMAP debug log to see what is going on. Can you create
>> on with "-d imap -l debug.log" and make that (privately) available to
>> me?
>> Scrub your password from that file! Thanks
>> Sebastian
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