On Jul 9, 2009, at 11:44 PM, Thomas Suckow wrote:
# dovecot --version
1.1.7
..
Jul 9 20:44:48 adapter dovecot: Fatal: imap-login:
io_loop_handle_add: epoll_ctl(1, 7): Operation not permitted
I remember fixing something that caused this bug. Try upgrading.