[Dovecot] Converting mbox to Maildir, all prior read messages are downloaded as new

Timo Sirainen tss at iki.fi
Thu May 24 22:53:03 EEST 2007

On 24.5.2007, at 22.22, Eric and Barbara Sammons wrote:

> I am running dovecot 0.99.  Everything works great; however, now I  
> am looking at several different tools to convert mbox to Maildir.   
> It seems the tools, mb2md.pl, perfect_maildir.pl, and others all do  
> what they claim; however, when the messages are converted and they  
> are stored in Maildir/cur, the email clients download these  
> messages as new.

I guess you're talking about POP3. You'd need to be able to preserve  
the POP3 UIDLs (see http://wiki.dovecot.org/Migration), which would  
require that you also preserve the IMAP UIDs in the mbox -> Maildir  
switch. Unfortunately I'm not aware of any scripts that preserves the  
UIDs, although it wouldn't be difficult to write support for that.

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