[Kde-pim] I lose sometimes mail from pop3

[ianseeks]

On Friday 26 Aug 2011 00:12:32 Thomas McGuire wrote:
> Hi,
> 
> On Wednesday, August 24, 2011 09:02:37 AM you wrote:
> > Thanks for all this infos.
> > But I don't have rules to remove from server.
> > I leave on server that's all.
> > I can see email on my server (so I can told you that some emails is
> > loosing) but I can't find it on my local folder.
> > 
> > So pop3 "told" that email was download (because it doesn't download it)
> > but don't write on my file system, and don't know why.
> 
> Ok, seems I totally misunderstood the problem at first. I thought the mail
> was deleted from the server, but that isn't the case.
I have the same problem of missing emails from POP3 but I do delete the mails 
on the server as soon as the mail has been collected. Not sure if that 
information helps or makes the matter worse.
> Rather, a mail that is on the server is not delivered to the inbox.
> I see three potential causes for this:
> 1) The server actually doesn't list the email
> 2) The POP3 resource mistakenly thinks it already downloaded the mail before
> and therefore it refuses to download the mail
> 3) Akonadi looses the mail after the POP3 resource passes the mail to
> Akonadi with an ItemCreateJob
> 
> 1) is highly unlikely. It does actually happen for GMail last time I tested
>    though, since they only show the ~300 last mails in the mail listing with
> the POP3 protocol. Laurent, you are not using GMail, are you?
>    Thinking of this, we should probably create a patch to disalllow leaving
> on server if a GMail account is detected. Anyone who wants to try that?
> 
> 2) Maybe you could try logging into your POP3 server with telnet and trying
> to find the UID of the mail that was not downloaded? Then you can check if
> the UID is in the config file of the POP3 resource. However this would
> require a bit of scripting work to find the mail, and the result would be
> inconclusive, since that could be a result of 3) as well.
> 
> 3) I have the hunch it is probably this. The POP3 resource checks the return
> value of the ItemCreateJob it uses to pass the mail to Akonadi, but if
> things really go wrong, it would probably fail silently.
> 
> I have double-checked the POP3 resource code for the case that ItemCreateJob
> fails and for the case that it is canceled or set offline at the shutdown
> of KMail, and I could not find an obvious issue.
> Without a way to reproduce, I can not help much further, sorry.
> Maybe a network traffic dump + POP3 resource debug output would help, but I
> am not sure.
> 
> Regards,
> Thomas
regards

Ian
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