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[OT] - How exactly does "save a copy on the server" work?

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mlist at cmcflex

Sep 12, 2007, 12:52 PM

Post #1 of 3 (1879 views)
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[OT] - How exactly does "save a copy on the server" work?

I apologize for the slight off-topic post but I'm trying to figure out
why, after moving my maildirs from my qmail server to an nfs server,
people are pulling duplicates of mail they deleted months ago. The only
thing they seem to have in common is that they set the "leave a copy on
the server" flag in their MUA. Does it have to do with a timestamp?
inode? what? Any insight would be appreciated.

Matt

qmail at discworld

Sep 12, 2007, 1:31 PM

Post #2 of 3 (1757 views)
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Re: [OT] - How exactly does "save a copy on the server" work? [In reply to]

mlist <mlist [at] cmcflex> wrote:
> I apologize for the slight off-topic post but I'm trying to figure out
> why, after moving my maildirs from my qmail server to an nfs server,
> people are pulling duplicates of mail they deleted months ago. The only
> thing they seem to have in common is that they set the "leave a copy on
> the server" flag in their MUA. Does it have to do with a timestamp?
> inode? what? Any insight would be appreciated.

Yes, the message IDs have changed, so the MUA thinks they're new messages.
Exactly why depends on whether you're using POP or IMAP and exactly which
POP/IMAP server software you're using.

Charles
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mlist at cmcflex

Sep 13, 2007, 4:53 AM

Post #3 of 3 (1723 views)
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Re: [OT] - How exactly does "save a copy on the server" work? [In reply to]

Charles Cazabon wrote:
> mlist <mlist [at] cmcflex> wrote:
>
>> I apologize for the slight off-topic post but I'm trying to figure out
>> why, after moving my maildirs from my qmail server to an nfs server,
>> people are pulling duplicates of mail they deleted months ago. The only
>> thing they seem to have in common is that they set the "leave a copy on
>> the server" flag in their MUA. Does it have to do with a timestamp?
>> inode? what? Any insight would be appreciated.
>>
>
> Yes, the message IDs have changed, so the MUA thinks they're new messages.
> Exactly why depends on whether you're using POP or IMAP and exactly which
> POP/IMAP server software you're using.
>
> Charles
>
Adrian, Charles, thanks for the reply. It makes sense now.

Matt

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