[horde] Problem with Horde "Mailbox does not support mod-sequences"

[Luca Bertoncello]

Zitat von Michael J Rubinsky <mrubinsk at horde.org>:

> This is completely different than what I'm suggesting. I'm asking  
> for *horde's* IMAP debugging log to see *exactly* what horde is  
> sending and receiving. This is a separate log than any logging done  
> by the IMAP server itself. This should work as long as the webserver  
> has write access to the configured directory.

OK, I got Horde logging...

Here something maybe interesting:

S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID  
ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=DIGEST-MD5  
AUTH=CRAM-MD5] Dovecot on lucabert.de ready.
C: 1 STARTTLS
S: 1 OK Begin TLS negotiation now.
>> Command 1 took 0,0008 seconds.
>> Successfully completed TLS negotiation.
C: 2 AUTHENTICATE PLAIN [INITIAL CLIENT RESPONSE (username: lucabert)]
S: 2 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID  
ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS  
THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT  
CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC  
ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS SPECIAL-USE  
BINARY MOVE] Logged in
>> Command 2 took 0,0151 seconds.
>> CACHE: Using the Horde_Imap_Client_Cache_Backend_Cache storage driver.
C: 3 ENABLE QRESYNC
C: 4 SELECT INBOX
S: * ENABLED QRESYNC
S: 3 OK Enabled.
>> Command 3 took 0,0028 seconds.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk $forwarded)
S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft  
NonJunk $forwarded \*)] Flags permitted.
S: * 21 EXISTS
S: * 0 RECENT
S: * OK [UNSEEN 20] First unseen.
S: * OK [UIDVALIDITY 1334757505] UIDs valid
S: * OK [UIDNEXT 64448] Predicted next UID
S: * OK [NOMODSEQ] No permanent modsequences
S: 4 OK [READ-WRITE] Select completed (0.001 secs).
>> Command 4 took 0,0083 seconds.
C: 5 UID STORE 64447 +FLAGS \seen
S: 5 OK Store completed.
>> Command 5 took 0,0024 seconds.
C: 6 UID MOVE 64447 Trash
S: * OK [COPYUID 1334757512 64447 6918] Moved UIDs.
>> CACHE: Ignoring moving FETCH data (INBOX => Trash)
S: * VANISHED 64447
>> CACHE: Deleted messages [INBOX; 64447]
S: 6 OK Move completed.
>> Command 6 took 0,1185 seconds.
C: 7 UID SORT RETURN (ALL COUNT) (DATE) US-ASCII ALL
S: * ESEARCH (TAG "7") UID ALL  
62362,62361,62360,62359,62358,62357,62356,62355,62354,62353,62352,62351,62350,62349,62348,62347,64377,64379:64380,64438 COUNT  
20
S: 7 OK Sort completed (0.002 secs).
>> Command 7 took 0,0053 seconds.
C: 8 LOGOUT
S: * BYE Logging out
S: 8 OK Logout completed.
>> Command 8 took 0,0018 seconds.

As I delete the message I got the error in Horde.
What does this "No permanent modsequences" means? How can I resolve it?

Thanks a lot!
Luca Bertoncello
(lucabert at lucabert.de)