2.4.7 complains about mails named '0.'

[Bron Gondwana]

On Sat, Apr 02, 2011 at 11:47:15AM +0200, Wolfgang Breyha wrote:
> Hi!
> 
> I upgraded from 2.3.16 to 2.4.7 yesterday.
> 
> Doing a reconstruct on all mailboxes showed some messages like:
> reconstruct[32741]: user.xxxxxx.Folder odd file
> /var/spool/imap/user/xxxxxxx/Folder/0.
> reconstruct[32741]: run reconstruct with -O to remove odd files
> 
> But this is a the first mail in this folder written with a older version of
> cyrus? Is this a bug in 2.4, or is there an easy way to fix that? Wouldn't
> hurt that much, because I got this message only about 10 times.

Was there seriously a version of Cyrus that allows UID zero?  That's
bogus.  Surely IMAP UIDs start at one.

If UID zero is allowed, I'll have to fix that code - and probably
some other code which assumes UIDs are never zero...

Bron.