Fresh install 6.4.3-rc2

Ivan Semin ivun at
Wed Jun 29 15:42:38 BST 2011

Yes, the update has fixed that, thanks! As to data loss, I am using
6.3.1 on the production server, where it really matters. Only had some
mail deleted from the mirror once, but it was then redownloaded, so I
find that version pretty stable (provided that I restart offlineimap
every 6 hours ;) )

2011/6/29 Sebastian Spaeth <Sebastian at>:
> On Wed, 29 Jun 2011 11:26:31 +0400, Ivan Semin <ivun at> wrote:
>> I have set up the local imap mailbox and the remote imap mailbox with
>> readonly=yes in offlineimaprc. It connected and logged in to both,
>> copied the folder structure and then died with the following in
>> stderr:
>> WARNING: ERROR attempting to copy message 3 for account Data:Traceback
>> (most recent call last):
>>   File "/usr/lib/python2.6/site-packages/offlineimap/folder/",
>> line 272, in copymessageto
>>     newuid))
>> TypeError: %d format: a number is required, not NoneType
> Yes, there has been a bug fix for this in the current 'next' branch
> already, so this will be fixed in the next release.
> Also, there has been a bug fix for the IMAP<->IMAP case that could
> potentially lead to missing out or duplicating messages and even data
> loss (good you made the master readonly) and that I personally consider
> the bug and its fix as critical.
> (
> I would therefore *strongly* recommend to use the current next branch,
> rather than the -rc2 or even current master.
> Download the tarball here:
> I think we should be picking this commit into 'master' (or merge next
> in) and release ASAP to prevent data loss.
> Sebastian

More information about the OfflineIMAP-project mailing list