At the moment we patch the Cyrus IMAP server source so that administrators (admins in the config file) can only log in from certain IP addresses. I was wondering if there is a better way to do this or whether some means of achieving this is planned for future releases? We have two patches we currently use: 1/ adds a new flag to imapd which means 'do not allow administrative logins' and we use this flag on the instance on port 143 but not on another instance on port 144. Port 144 can then be firewalled to everyone apart from our administrative clients. 2/ adds a new config file option 'admins_ip' which is a list of subnets from which administrative logins are permitted. If it would be of benefit I would be happy to clean up either of these and submit it to the developers. Thanks, Andy ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html