[Dovecot] UIDL and message migration

Hugo Monteiro hugo.monteiro at fct.unl.pt
Wed Jun 22 01:51:22 EEST 2011


On 06/21/2011 08:52 PM, Javier wrote:
> Hugo,
>
> I have been there too.
> Check if you are changing the server address in the e-mail client. If
> you are doing so, most clients check uidls based on this (at least in
> my tests).
>
> If you keep the hostname intact and the uidls are the same, the
> e-mails won't be downloaded again.  You can do this messing with the
> hosts file in the client computer.
>
> To check if the uidls are the same, just launch a telnet session in
> both POP servers and issue a UIDL command and compare the output.
>
> Javier
>

Hello Javier,

The hostname is intact since all pop/imap are being routed through a 
proxy. The problem is that using imapsync, for message migration, the 
uilds don't stay intact. I was hoping someone would know a tool, similar 
to imapsync, that would provide such a functionality. Alternately i can 
always scp/tar the messages from one server to the other, but for 
migration implementation reasons i would prefer imapsync, or the like.

Regards,

Hugo Monteiro.

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Hugo Monteiro
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