--------------------------------------- The different parts of PostfixAdmin Postfix Admin has a concept of a "global" administrator (think 'root') and domain administrators. When you install PostfixAdmin, the setup.php file will ask you to create the global administrators account. Using this global account, you can (if you so wish) create domain administrators who are limited to making changes within the domains you specify for them. Historically when you logged in as the 'global' (or superadmin) user, you'd access /admin; with version 2.2.0, this 'functionality' was removed (as there was excessive code duplication) and everyone uses the same login.php script. Needless to say, as a global administrator, you can do all kinds of bad things - like deleting domains and stopping delivery of mail to a particular mailbox. So - take care, and if you're unsure take semi-regular backups. If you login, and you are not an administrator (i.e. you are a 'regular' user who just has a mailbox on the server), then you will only see functionality to modify your own account - e.g. change password, edit forward records and specify whether you are on vacation (out of office) or not.