VMM/account: Fixed account's transport check.
Make sure that 'virtual:' isn't used as transport when the mailbox-format
is set to mdbox or sdbox.
============
Installation
============
.. toctree::
:maxdepth: 1
installation/prerequisites
installation/system_preparation
installation/postgresql_configuration
installation/dovecot_configuration
installation/postfix_configuration
installation/install_vmm