[plug] IMAP Server

[Alex Nordstrom]

Monday, 22 May 2006 10:20, Chris Watt wrote:
> Is it possible to set up my IMAP server to actually download the
> messages to each computer that requests them

I can't see how one would get the server to control the client's actions 
like that.

> so that after  a 
> predertermined limit is reached, it can delete messages without me
> losing them (as in, my email clients will already have copies of them
> that won;t vanish after deletion from the server).  I need to work
> out some way of preserving my email, but still giving me a way to
> access it from multiple computers without losing messages here and
> there.
>
> I use Apple Mail to receive the messages on both my PowerBook and
> iMac and Outlook at work.  Runs on a Red Hat Enterprise server
> (IMAP).

If those clients have reasonable implementations of offline imap, it 
shouldn't be a problem. (I would add a filter to move the messages to 
another folder on the clients, to prevent them getting wiped out from 
the client if you synchronise.)

If you find your clients' offline imap implementation lacking, this 
scheme is really not much different from a pop3 setup where you tell 
the clients not to delete messages from the server when downloading. 
Most reasonably good clients will also let you specify that read 
messages should be deleted from the server after a given delay, 
eliminating the need for server-side purging (and further guaranteeing 
that this isn't done until at least one client has a copy).

-- 
Alex Nordstrom
http://lx.n3.net/
Please do not CC me in followups; I am subscribed to plug.
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