Powershell is a quicker way to get a job done that using a gui, however there are ALOT of commands here is a comprehensive list of powershell commands and what they do
Find out your exchange server statistics , what version of outlook do clients connect with and various other microsoft exchange orginization statisitics.Get your exchange server statistics
Outlook Prompts for Credentials.When running outlook 2007 or 2010 when you run outlook it prompts for creditials when starting up the application.Here are a number of tested solutions to this.
Exchange 2007, 2010 and Exchange 2013 setup “Send As” in powershell, a guide on how to setup send as in powershell if you would like to send email as another user.
A guide on how to create a user in powershell and how to create a mailbox in powershell step by step
If you do not have an email client to hand you can send an email via the command line telnet command. Follow this guide on how to send an email from telnet command line.
When you try to use the powerhsell imoprt mailbox command its says the command is invalid. The same with export mailbox. Here is how to enable the import and export mailbox commands.
A guide on how to delete an email in multiple mailboxes in exchange 2007,Exchange 2013 and exchange 2010 sp1. How to delete an email from multiple mailboxes with a powershell command.
Most companies have signatures for email, this is simple to do in outlook, now in exchange 2010 we can create a signature for OWA. Here is a guide on how to add a signature with an image to OWA.Add an image to your signature in exchange 2010 and exchange 2007
“Your Out of Office settings cannot be displayed, because the server is currently unavailable. try again later.”, youu may see this error and out of office will not work correcltey.
A guide on how to setup exchange 2010 or 2007 to forward email to an external recipient. How to forward email in exchange,
A step by step guide on how to enable the anti spam agent in exchange 2010 and 2007. How to stop spam emails in exchange 2007 and 2010.
If you have just installed or upgraded to exchange 2010 you may find the you are not receivinging mail, this is a receive connector issue, read this article to resolve.