Seems svn-trunk really much better =) Before this we use 0.3 stable and 0.4 beta - error occurred. IMAP debug with svn-trunk: -------------->%------------ ... [16:54:50]: C: cpy1 UID COPY 1761,1760,1759,1758,1757,1751,1750,1749,1748,1747,1746,1745,1744 "INBOX" [16:54:56]: S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE AUTH=PLAIN AUTH=LOGIN] Dovecot ready. [16:54:56]: C: cp01 CAPABILITY [16:54:56]: S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=R EFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARC H ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS QUOTA AUTH=PLAIN AUTH=LOGIN [16:54:56]: S: cp01 OK Capability completed. [16:54:56]: C: a001 LOGIN "dark@aspu.ru" "3784586" [16:54:56]: S: a001 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY T HREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS QUOTA] Logged in [16:54:56]: C: sel1 SELECT "Junk" [16:54:56]: S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) [16:54:56]: S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. [16:54:56]: S: * 1536 EXISTS [16:54:56]: S: * 0 RECENT [16:54:56]: S: * OK [UNSEEN 1483] First unseen. [16:54:56]: S: * OK [UIDVALIDITY 1273276432] UIDs valid [16:54:56]: S: * OK [UIDNEXT 1762] Predicted next UID [16:54:56]: S: * OK [HIGHESTMODSEQ 43] Highest [16:54:56]: S: sel1 OK [READ-WRITE] Select completed. [16:54:56]: C: fuid FETCH 1536 (UID) [16:54:56]: S: * 1536 FETCH (UID 1761) [16:54:56]: S: fuid OK Fetch completed. [16:54:56]: C: srch1 SEARCH ALL UNSEEN [16:54:56]: S: * SEARCH 1483 1484 1485 1486 1491 1492 1493 1494 1496 1497 1498 1499 1500 1501 1502 1503 150 4 1505 1506 1507 1509 1510 1511 1512 1513 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 153 1 1532 1533 1534 1535 1536 [16:54:56]: S: srch1 OK Search completed (0.000 secs). [16:54:56]: C: I LOGOUT [16:55:01]: S: cpy1 OK [COPYUID 1273276429 1744:1751,1757:1761 610:622] Copy completed. [16:55:01]: C: flg UID STORE 1761,1760,1759,1758,1757,1751,1750,1749,1748,1747,1746,1745,1744 +FLAGS (\Dele ted) [16:55:01]: S: * 1524 FETCH (UID 1744 FLAGS (\Deleted)) [16:55:01]: S: * 1525 FETCH (UID 1745 FLAGS (\Deleted)) [16:55:01]: S: * 1526 FETCH (UID 1746 FLAGS (\Deleted)) [16:55:01]: S: * 1527 FETCH (UID 1747 FLAGS (\Deleted)) [16:55:01]: S: * 1528 FETCH (UID 1748 FLAGS (\Deleted)) [16:55:01]: S: * 1529 FETCH (UID 1749 FLAGS (\Deleted)) [16:55:01]: S: * 1530 FETCH (UID 1750 FLAGS (\Deleted)) [16:55:01]: S: * 1531 FETCH (UID 1751 FLAGS (\Deleted)) [16:55:01]: S: * 1532 FETCH (UID 1757 FLAGS (\Deleted)) [16:55:01]: S: * 1533 FETCH (UID 1758 FLAGS (\Deleted)) [16:55:01]: S: * 1534 FETCH (UID 1759 FLAGS (\Deleted)) [16:55:01]: S: * 1535 FETCH (UID 1760 FLAGS (\Deleted)) [16:55:01]: S: * 1536 FETCH (UID 1761 FLAGS (\Deleted)) [16:55:01]: S: flg OK Store completed. [16:55:01]: C: exp1 UID EXPUNGE 1761,1760,1759,1758,1757,1751,1750,1749,1748,1747,1746,1745,1744 [16:55:01]: S: * 1536 EXPUNGE [16:55:01]: S: * 1535 EXPUNGE [16:55:01]: S: * 1534 EXPUNGE [16:55:01]: S: * 1533 EXPUNGE [16:55:01]: S: * 1532 EXPUNGE [16:55:01]: S: * 1531 EXPUNGE [16:55:01]: S: * 1530 EXPUNGE [16:55:01]: S: * 1529 EXPUNGE [16:55:01]: S: * 1528 EXPUNGE [16:55:01]: S: * 1527 EXPUNGE [16:55:01]: S: * 1526 EXPUNGE [16:55:01]: S: * 1525 EXPUNGE [16:55:01]: S: * 1524 EXPUNGE [16:55:01]: S: exp1 OK Expunge completed. [16:55:01]: C: sel1 SELECT "Junk" [16:55:01]: S: * OK [CLOSED] Previous mailbox closed. [16:55:01]: S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) ... --------------%<------------

No error with moving, but -------------->%------------ [19-Jun-2010 16:54:50 +0400]: C: cpy1 UID COPY 1761,1760,1759,1758,1757,1751,1750,1749,1748,1747,1746,1745,1744 "INBOX" [19-Jun-2010 16:54:56 +0400]: S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE AUTH=PLAIN AUTH=LOGIN] Dovecot ready. --------------%<------------ Is this reply correct?? Or maybe its part of another request if Roundcube have something like multithreaded IMAP session??

Moving messages using other folder (where dovecot-antispam not used) works perfect.