Hi, I am also having the same issue.
here is my config:
// store draft message is this mailbox
// leave blank if draft messages should not be stored
$rcmail_config['drafts_mbox'] = 'Drafts';
// store spam messages in this mailbox
$rcmail_config['junk_mbox'] = 'Junk';
// store sent message is this mailbox
// leave blank if sent messages should not be stored
$rcmail_config['sent_mbox'] = 'Sent';
// move messages to this folder when deleting them
// leave blank if they should be deleted directly
$rcmail_config['trash_mbox'] = 'Trash';
// display these folders separately in the mailbox list.
// these folders will also be displayed with localized names
$rcmail_config['default_imap_folders'] = array('INBOX', 'Drafts', 'Sent', 'Junk', 'Trash');
// automatically create the above listed default folders on login
$rcmail_config['create_default_folders'] = true;
// protect the default folders from renames, deletes, and subscription changes
$rcmail_config['protect_default_folders'] = true;
// if in your system 0 quota means no limit set this option to true
$rcmail_config['quota_zero_as_unlimited'] = false;
Here is my IMAP log:
[10-Aug-2010 02:26:21 -0400]: S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
[10-Aug-2010 02:26:21 -0400]: C: cp01 CAPABILITY
[10-Aug-2010 02:26:21 -0400]: S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS QUOTA STARTTLS AUTH=PLAIN AUTH=LOGIN
[10-Aug-2010 02:26:21 -0400]: S: cp01 OK Capability completed.
[10-Aug-2010 02:26:21 -0400]: C: a001 LOGIN "testing@domain.org" "testing"
[10-Aug-2010 02:26:21 -0400]: S: a001 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=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
[10-Aug-2010 02:26:21 -0400]: C: ns1 NAMESPACE
[10-Aug-2010 02:26:21 -0400]: S: * NAMESPACE (("INBOX." ".")) NIL NIL
[10-Aug-2010 02:26:21 -0400]: S: ns1 OK Namespace completed.
[10-Aug-2010 02:26:21 -0400]: C: lmb LIST "INBOX." "*"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Trash"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Sent"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Drafts"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Junk"
[10-Aug-2010 02:26:21 -0400]: S: lmb OK List completed.
[10-Aug-2010 02:26:21 -0400]: C: lsb LSUB "INBOX." "Drafts"
[10-Aug-2010 02:26:21 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:21 -0400]: C: lmb LIST "INBOX." "*"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Trash"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Sent"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Drafts"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Junk"
[10-Aug-2010 02:26:21 -0400]: S: lmb OK List completed.
[10-Aug-2010 02:26:21 -0400]: C: lsb LSUB "INBOX." "Sent"
[10-Aug-2010 02:26:21 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:21 -0400]: C: lmb LIST "INBOX." "*"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Trash"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Sent"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Drafts"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Junk"
[10-Aug-2010 02:26:21 -0400]: S: lmb OK List completed.
[10-Aug-2010 02:26:21 -0400]: C: lsb LSUB "INBOX." "Junk"
[10-Aug-2010 02:26:21 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:21 -0400]: C: lmb LIST "INBOX." "*"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Trash"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Sent"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Drafts"
[10-Aug-2010 02:26:21 -0400]: S: * LIST (\HasNoChildren) "." "INBOX.Junk"
[10-Aug-2010 02:26:21 -0400]: S: lmb OK List completed.
[10-Aug-2010 02:26:21 -0400]: C: lsb LSUB "INBOX." "Trash"
[10-Aug-2010 02:26:21 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:21 -0400]: C: I LOGOUT
[10-Aug-2010 02:26:22 -0400]: S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
[10-Aug-2010 02:26:22 -0400]: C: cp01 CAPABILITY
[10-Aug-2010 02:26:22 -0400]: S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS QUOTA STARTTLS AUTH=PLAIN AUTH=LOGIN
[10-Aug-2010 02:26:22 -0400]: S: cp01 OK Capability completed.
[10-Aug-2010 02:26:22 -0400]: C: a001 LOGIN "testing@domain.org" "testing"
[10-Aug-2010 02:26:22 -0400]: S: a001 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=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
[10-Aug-2010 02:26:22 -0400]: C: sel1 SELECT "INBOX"
[10-Aug-2010 02:26:22 -0400]: S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
[10-Aug-2010 02:26:22 -0400]: S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
[10-Aug-2010 02:26:22 -0400]: S: * 0 EXISTS
[10-Aug-2010 02:26:22 -0400]: S: * 0 RECENT
[10-Aug-2010 02:26:22 -0400]: S: * OK [UIDVALIDITY 1281421582] UIDs valid
[10-Aug-2010 02:26:22 -0400]: S: * OK [UIDNEXT 1] Predicted next UID
[10-Aug-2010 02:26:22 -0400]: S: * OK [HIGHESTMODSEQ 1] Highest
[10-Aug-2010 02:26:22 -0400]: S: sel1 OK [READ-WRITE] Select completed.
[10-Aug-2010 02:26:22 -0400]: C: lsb LSUB "INBOX." "*"
[10-Aug-2010 02:26:22 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:22 -0400]: C: QUOT1 GETQUOTAROOT "INBOX"
[10-Aug-2010 02:26:22 -0400]: S: * QUOTAROOT "INBOX" "storage=0"
[10-Aug-2010 02:26:22 -0400]: S: * QUOTA "storage=0" (STORAGE 0 10240)
[10-Aug-2010 02:26:22 -0400]: S: QUOT1 OK Getquotaroot completed.
[10-Aug-2010 02:26:23 -0400]: C: I LOGOUT
[10-Aug-2010 02:26:23 -0400]: S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
[10-Aug-2010 02:26:23 -0400]: C: cp01 CAPABILITY
[10-Aug-2010 02:26:23 -0400]: S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS QUOTA STARTTLS AUTH=PLAIN AUTH=LOGIN
[10-Aug-2010 02:26:23 -0400]: S: cp01 OK Capability completed.
[10-Aug-2010 02:26:23 -0400]: C: a001 LOGIN "testing@domain.org" "testing"
[10-Aug-2010 02:26:23 -0400]: S: a001 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=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
[10-Aug-2010 02:26:23 -0400]: C: lsb LSUB "INBOX." "*"
[10-Aug-2010 02:26:23 -0400]: S: lsb OK Lsub completed.
[10-Aug-2010 02:26:23 -0400]: C: sel1 SELECT "INBOX"
[10-Aug-2010 02:26:23 -0400]: S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
[10-Aug-2010 02:26:23 -0400]: S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
[10-Aug-2010 02:26:23 -0400]: S: * 0 EXISTS
[10-Aug-2010 02:26:23 -0400]: S: * 0 RECENT
[10-Aug-2010 02:26:23 -0400]: S: * OK [UIDVALIDITY 1281421582] UIDs valid
[10-Aug-2010 02:26:23 -0400]: S: * OK [UIDNEXT 1] Predicted next UID
[10-Aug-2010 02:26:23 -0400]: S: * OK [HIGHESTMODSEQ 1] Highest
[10-Aug-2010 02:26:23 -0400]: S: sel1 OK [READ-WRITE] Select completed.
[10-Aug-2010 02:26:23 -0400]: C: srch1 SEARCH ALL UNSEEN
[10-Aug-2010 02:26:23 -0400]: S: * SEARCH
[10-Aug-2010 02:26:23 -0400]: S: srch1 OK Search completed (0.000 secs).
[10-Aug-2010 02:26:23 -0400]: C: I LOGOUT
I have tried changing the delimiter to "." , "/" and "\" but that did not work. Could you help please?