In general, we always try and keep our mail servers as secure as possible, and only allow relaying to trusted/authenticated users. This is in order to avoid our servers being used for spamming and subsequently blacklisted, which can cause delivery issues and headaches if it happens. However, there are occasional scenarios, where we may need to allow a trusted systems with certain IP address to be able to relay via our Exchange server without authentication:
Weblog of Geoff Kendal
If you’re deploying an application across your organization, that makes use of a notification area icon in Windows 7 or Windows 8, it can be annoying for users when Windows decides to hide the icon. Here we look at a way of forcing notification area icons (system tray icons) to always be visible to the user via Group Policy Objects (GPO) and a little scripting.
I’ll quickly take you through the steps required to get the CentOS 6.3 minimal Linux distribution up and running on a Hyper-V host, along with networking and the Linux integration components all enabled.
With Windows 8 and its increased support for tablet/touch-based devices, we now have the option to use a new authentication mechanism: Windows 8 picture password.