Weblog of Geoff Kendal

Allow Exchange relay emails from certain IP addresses

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:

A picture of Geoff Kendal By Geoff Kendal - Fri, April 5, 2013 - 0 comments

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

New Recieve Connector

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Forcing notification area Icons to always show in Windows 7 or Windows 8

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.

A picture of Geoff Kendal By Geoff Kendal - Wed, February 20, 2013 - 2 comments

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

Notification Area alias System Tray

CentOS minimal on Hyper-V

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.

A picture of Geoff Kendal By Geoff Kendal - Mon, October 29, 2012 - 3 comments

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

CentOS minimal installer

Windows 8 picture password

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.

A picture of Geoff Kendal By Geoff Kendal - Thu, August 23, 2012 - 0 comments

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

Windows-8-picture-password-Choose-picture.png

How to install Windows To Go

In my last article, I introduced Windows To Go, a new feature in Windows 8. Now, it’s time to get our hands dirty and install Windows To Go on a USB stick in a portable workspace.

A picture of Geoff Kendal By Geoff Kendal - Tue, May 22, 2012 - 3 comments

Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.

Windows To Go - Format USB stick