On Apr 11, 2008, at 7:44 PM, Sam Varshavchik wrote:
> Tom Grove writes:
>
>> I am going to start a mass conversion but before I do I need to  
>> find a  workaround for the difference in UIDLs.  Basically, if POP  
>> users  choose to leave a copy of the messages on the server and I  
>> move their  messages they will all get downloaded again causing  
>> dupes.  Dovecot  has a way to mask the UIDL so that it looks like  
>> IMAP-UW.  Is there a  way to do this in Courier or some similar  
>> workaround?  Thanks.
>
> Nope, there isn't.
>

Okay, I understand that...help me out with this thought.

I see in the source code that a comment reads something like:  The  
UIDL is just the file name.  Now, I removed the couierpop3dsizelist  
file from the Maildir directory.  Then renamed the the first part of  
the file (prior to the colon) to the IMAP-UW UIDL.  The first time  
that I connected to the server via telnet the file was recreated and  
the UIDLs matched what they were under IMAP-UW.  I was able to do some  
quick tests and it seemed like it stopped the re-downloading of  
messages.  Does this make sense?

If that makes sense would it be possible to modify the mb2md or  
imapsync scripts to do this when they convert messages?

-Tom


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