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Re: regular folder validity problems

Re: regular folder validity problems

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To: Christoph Höger <choeger@xxxxxxxxxxxxxxx>
Cc: offlineimap@xxxxxxxxxxxx
Subject: Re: regular folder validity problems
From: John Goerzen <jgoerzen@xxxxxxxxxxxx>
Date: Wed, 01 Jul 2009 13:41:08 -0500

Christoph Höger wrote:
> Hi all,
> since I use offlineimap I am struggling with regular folder validity
> problems with my uiversity account. I figured out they use uw-imap. 

The key to your UID validity problems, unfortunately, is most likely

From the manpage:

       Some IMAP servers are broken and do not support UIDs properly.
       If you continue to get this error for all  your  folders  even
       after  performing  the above procedure, it is likely that your
       IMAP server falls into this category.  OfflineIMAP  is  incom‐
       patible  with  such servers.  Using OfflineIMAP with them will
       not destroy any mail, but at the same time, it will not  actu‐
       ally  synchronize  it  either.   (OfflineIMAP will detect this
       condition and abort prior to synchronization.)

       This question comes up frequently on the  OfflineIMAP  mailing
       list           <URL:‐;>.    You   can   find   a    detailed    discussion

of the problem there.

> After a little research I've read, that sometimes spam messages can
> contain X-IMAP[base] header entries. 
> Could this lead to single folder corruption (having saved X and got Y
> with X < Y and both very large)?
> And if yes, would a .procmail filter help on that issue?
> Or would it be wise for offlineimap to re-load all messages if X < Y
> with X-Y being the uid delta?
> regards,
> Christoph
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