changelog: * lib/rims/cmd.rb, lib/rims/server.rb: user list entry for multi-user account is defined at server configuration file. some maintenance commands of multi-user mailbox is defined.
changelog: * lib/rims/cmd.rb, lib/rims/server.rb: user list entry for multi-user account is defined at server configuration file. some maintenance commands of multi-user mailbox is defined.

y10k/rims