[Bug 44985] Evolution looses some mails on the way from the inbox to the screen

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Public bug reported:

Binary package hint: evolution

First I think that I initially reported this bug to the wrong place 
( https://launchpad.net/distros/ubuntu/+source/evolution/+bug/44828 )

Now the bug :
Binary package hint: evolution

After upgrading from breezy to dapper, and after a week or to with dapper evolution started to forget about some mails that ARE received. For example, in some folders the mail arrives from the pop3 server (the mail can be checked for example in
/.evolution/mail/local/Inbox.sbd/subfloder.sbd/FOLDER but however are not displayed on the screen.
It is not an isolated problem, now only a few percent of the new emails are actually displayed.
Deleting summary/index files (forcing evolution to recreate them) does not help.
I have to mention that there are a lot of mails stored in evolution, and the sheer total number of emails could be the problem (or a catalyst ) for this. However I do not think the number of emails is the only reason, because first a few new emails still get displayed and second this behaviour seems to have started after an upgrade that also updated evolution.
In order to prove this situation I can provide a few screenshots, and by request the files corresponding to a folder that is not displayed properly.

For other details and screenshots please visit the URL above.
I also kindly ask an administrator to move the previous bug here if it is the case.

** Affects: evolution (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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Evolution looses some mails on the way from the inbox to the screen
https://launchpad.net/bugs/44985