[Users] Duplicate messages and crashes

Andrej Kacian andrej at kacian.sk
Sat Oct 31 09:34:53 CET 2015

On Sat, 31 Oct 2015 08:31:34 +0100
gabble <gabble at gmx.com> wrote:

> Hello,
> I'm a new user, running Claws on Windows. To make things worse I'm still on XP.
> I have been using Claws for a week or two, learning the in and outs and fiddling with configuration. All was well until the other day when Claws started to duplicate emails.
> At first it crashed as soon as I tried to touch the duplicates. In desperation I deleted .claws_cache for the concerned mail box. Then I was able to delete the duplicates. All was well for a while.
> Then Claws started to duplicate emails on every fetch then it immediately crashed. Not all emails, just a few selected ones that it duplicates over and over again. I discovered it happened with a certain account so I disabled that account. All went well for a while, huh, a few hours, but now it has started again with other accounts.
> So the behavior is somewhat inconsistent to say the least.
> Please advice. I really want to keep using Claws since I can't find another client that suits my needs. Also, is deleting the cache the right thing to do or does I make things worse?

Hello Charlotte,

first of all, by deleting the cache file, you can't make anything
worse - at worst, first next opening of a given folder will be a bit

I suggest first upgrading Claws Mail to 3.13.0 to see if it helps. Note
that 3.13.0 might not even work on Windows XP, see the IPv6 point at

It would help if you could isolate a particular message that gets
duplicated, ideally a message that is not sensitive, so you can share
it at least with me. Although I do not have access to a computer with 
Windows XP, I could try reproducing your issue over here and to figure
out what's wrong.

Is there any common trait to the messages that get duplicated? E.g.
same sender, special characters in some header, attachment, etc.


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