[Dovecot] New mail not appearing consistently in Outlook 2003

[Timo Sirainen]

On Mon, 2007-03-26 at 19:16 +1200, Karl von Randow wrote:
> IMAP: 18:26:50 [tx] 0uaw UID FETCH 119071:* (UID FLAGS RFC822.SIZE
> BODY.PEEK[HEADER] INTERNALDATE)
> IMAP: 18:26:50 [tx] dftr UID FETCH 17703 (UID FLAGS BODY.PEEK[]
> INTERNALDATE)
..
> IMAP: 18:30:52 [tx] dkfx UID FETCH 119071:* (UID FLAGS RFC822.SIZE
> BODY.PEEK[HEADER] INTERNALDATE)

Note the UID FETCH 119071:* command. Outlook thinks the latest UID it
has seen is 1190710, so it tries to fetch new messages with that
command. It doesn't really even want to fetch 11703 here, but because
"*" matches the latest existing message (by IMAP spec), the last message
is returned sort-of unintentionally.

I think your Outlook has just broken its internal cache. Try recreating
the account or clearing the cache if you can figure out how.

Maybe that high UIDs did exist at some point and then UIDVALIDITY
changed, but Outlook didn't understand that?

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