[Fwd: [Evolution-hackers] Re: about evolution imap local email storage]

[Antonio Xu <antonio xu sun com>]

 Hello All
I have to resend this email to discuss with you guys. Now, mail begin to 
rewrite, I hope the issue below can be solved in mail rewriting.  I just 
want to who and when it can be done .

Best reagrds,
Anto
-------- Original Message --------
Subject: [Evolution-hackers] Re: about evolution imap local email storage
Date: Thu, 17 Apr 2003 12:54:57 +0800
From: Antonio Xu <antonio xu sun com>
To: Not Zed <notzed ximian com>
CC: Ettore Perazzoli <ettore ximian com>, 
"evolution-hackers lists ximian com" 
<evolution-hackers lists ximian com>, Jeffrey Stedfast <fejj ximian com>
References: <3E9C1E53 6000302 sun com> 
<1050519111 6052 29 camel lostzed mmc com au>



Hello, Not Zed
         I have discussed this issue with Fejj. I think it is possible 
to add a feature which is allow user specify whether make evolution copy 
email to local. So for Sun Ray customer, they can make evolution leave 
eamil on server instead of copy them to local.   this feature is very 
userful for intranet user too, they don't need to worry about intranet 
status, they could turn off the switch and make evolution leave email on 
server without copying them to local. I think it is very useful feature, 
but I wanto to know when we can add this feature in evolution, Could you 
show me the date when we can doing it for evolution?
         I have added some comments below. Please read it.

Best regards,
Anto
Not Zed wrote:

> On Wed, 2003-04-16 at 00:29, Antonio Xu wrote:
>  
>
> > Hello, NotZed
> >          I have some questions about imap local email storage. I found 
> > evolution will copy every readed email's source and its html body to 
> > local. so if I have 1 GB emails on server, I would have 2 GB emails in 
> > local imap storage. I think it is a very serious problem. Why did 
> >    
>
> Do you have 1GB of email on your server?  i.e. just saying a problem is
> possible doesn't mean it occurs or in practice is a real issue.
>  
We realy have some customers whose email more than 1GB on imap server. 
For Sun Ray customer, whose home direcotory leave on server, if 
evolution copy every imap email to local,  and leave original email on 
imap server. it will waste storage of server.

>  
>
> > evolution copy every readed email to local? Could we remove this bad 
> >    
>
> Because the imap 'cache' isn't really a cache, and it was written pretty
> simply.
>
>  
>
> > feature? I think we should leave  emails on server instead of copy it at 
> > local, that is why we using IMAP.  I know this feature will be helpful 
> >    
>
> I'm not sure we want to remove it.  Because it provides a transparent
> and more complete 'offline' mode.  Without it we may need to re-copy
> stuff for offline mode operation back off the server when we go back
> offline, because, because of the way offline mode works, the imap code
> deosn't know what files are needed for offline mode until it actually
> goes offline.  If you are going offline, and you're using a modem, the
> last thing you want is to have to re-copy mails that got expired from
> your cache.
>  
In fact, we don't need to remove this feature, but we must add a switch 
to allow user specify whether make evolution copy  email to local.

>  
>
> > when evolution switch to offline, but evolution have another feature 
> > which can allow user download every email from server before switch 
> > evolution to offline. I suggest this issue should be solved before 
> > evolution 1.4 release. I have seen your and fejj's comment on bug 
> > #21894. When will you begin solving this issue?  
> >    
>
> Well, the newer/next version of outlook always works off local email,
> and only uses the server connection to download the mail once/as a
> backup.  It goes into 'offline' mode implictly, hiding the
> network/server problems from the user, and letting them take more
> advantage of the local grunt computer workstations now posess.
>
> So this way of working isn't completely unexpected/different from other
> similar mail clients, and takes advantage of vastly under-utilised
> resources on most desktop machines.
>
> Its also way too big a change to be going into 1.4 at this point.
>  
I know it is too hurry to add  this feature into 1.4, but when can we 
begin doing it?

>  



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