Got the same problem here when trying to migrate from Dovecot v1.1.14
to Google Apps email using larch v1.0.2.
Here's the last part of the output:
*** START ***
[Sep 03 09:47:26] [info] he...@example.com@
imap.gmail.com: creating
mailbox: INBOX/Local Councils/Zejtun Local Council
[Sep 03 09:47:26] [info] he...@example.com@
imap.gmail.com:
Net::IMAP::NoResponseError: Folder name is not allowed. (Failure)
(will retry)
[Sep 03 09:47:27] [info] he...@example.com@
imap.gmail.com:
Net::IMAP::NoResponseError: Folder name is not allowed. (Failure)
(will retry)
[Sep 03 09:47:30] [info] he...@example.com@
imap.gmail.com:
Net::IMAP::NoResponseError: Folder name is not allowed. (Failure)
(will retry)
[Sep 03 09:47:33] [fatal] Net::IMAP::NoResponseError: Folder name is
not allowed. (Failure) (giving up)
[Sep 03 09:47:33] [info] 0 message(s) copied, 0 failed, 706 untouched
out of 706 total
*** END ***
I had noticed that changing the name of the folder permits the
creation. Just rerunning the script causes the failure at the same
point each time.
Regs.
Iain.