Problems with repeated download of messages from pop3

Joseph Brennan brennan at
Tue Sep 26 16:09:54 EDT 2006

According to our field support here, this bug is fixed by downloading
and applying all of the Service Pack updates.  That is a really good
idea anyway so harm done.

I would like to know whether Outlook continues to have trouble after
that.  If so please let us know what version has the trouble.

Cyrus is not doing anything wrong.  Not only does the protocol allow
numbers to vary in length, but the example in the RFC shows numbers
of different lengths!

Joseph Brennan
Columbia University Information Technology

--On Tuesday, September 26, 2006 21:50 +0200 Dan Ohnesorg <Dan at> 

> Even here was many times reported, that outlook has bug, which prevents
> users from using: leave message on pop3 server functionality.
> The problem seems be really related to length of UID of message. Occures
> on maiboxes, where are messages with mixed length, like:
> 1.
> 10.
> or
> 10.
> 100.
> It can be probably fixed on cyrus side. I have one idea, how to fix it and
> not break current mailboxes by changing UID format. If cyrus will in every
> NEW mailbox start with messages number 1000000., there will be possible to
> deliver 9000000 messages without changing the length of UID.
> Is it good idea? Will be possible to insert new configuration parametr
> like first_uid and fix the problem this way?
> cheers
> dan
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