* 'VirtualMailManager/VirtualMailManager.py' - VirtualMailManager.aliasAdd() checks if the destination account exists if vmm knows the destinations domain * 'po/de.po' * 'po/vmm.pot' - updated

„speedup commit“ ;-) * 'VirtualMailManager/Account.py' - Account.__init__() checks only the existence of an alias or relocated record if there is no account with the supplied address yet * 'VirtualMailManager/Alias.py' - Alias.__init__() checks only the existence of an account or relocated record if there is no alias with the supplied address yet * 'VirtualMailManager/Relocated.py' - Relocated.__init__() checks only the existence of an account or alias record if there is no relocated user with the supplied address yet * 'create_optional_types_and_functions.pgsql' - Modified the 2nd part of postfix_smtpd_sender_login_map() in order to save 0.3 ms