Defines the number of hours a communication will be stored, whichever its status.
This setting can not be deactivated.
Default value:
--- '744'
Defines the number of hours a successful communication will be stored.
This setting can not be deactivated.
Default value:
--- '168'
Registers a log module, that can be used to log communication related information.
This setting can not be deactivated.
Default value:
--- Module: Kernel::System::CommunicationLog::Transport::Email Name: Email