There are some issues with the courier init scripts that have already been fixed for Feisty.
Please, from a console on the server in question type: ps -AF|grep courier and then report the resulting output here. -- mail client report: ...is not imap4 mail server https://launchpad.net/bugs/97084 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs