[Users] Ghost emails / very strange POP behavior

Pierre Fortin pf at pfortin.com
Tue May 31 20:52:22 CEST 2016

On Tue, 31 May 2016 20:24:52 +0200 Michael wrote:

>thx for your reply.
>> You said you delete messages when received on one machine...  this
>> _could_ cause UIDL confusion...  I only delete mail from the servers
>> from one machine, and even then, 10 days later (Receive in Edit
>> accounts...)  
>I always assumed that whateve i do at the laptop, does not affect the
>server mailbox in any way, since the laptop just only downloads, never
>syncs. Was that incorrect ?
>The first time i read those 'lost messages' was on the road from my
>laptop, which is set to POP but not delet from server. And despite what
>i might have written before, i just find that i did not delete the first
>message, there, but deleted my answer and the folllow up. 
>I wonder what UIDL corruption is, and how does it show up to the claws
>user ? Is there a possibility some mail gets into "stealth mode"
>somehow ?
>And i have to repeat, i think it already happened earlier, at least two
>times, but back then i just could not believe it, and somehow went with
>the hopeful idea that my brain must be on err.

I vaguely recall something about UIDL, maybe 10 years ago. It's likely
the reason I have a 10 day delay in deleting mail off the servers. That
way, all my other devices can grab the messages without risk of some ot
them disappearing during their POP retrieve.

Just a SWAG; but avoiding potential race conditions between devices still
seems reasonable...  :)

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