I recently had to add an additional SMTP Address for all the users in my domain. I wrote this quick script that made it a no brainer:
<#
.NAME
Append-EmailAddresses.ps1
.SYNOPSIS
This script adds a new smtp address of first.last@exchange.yourdomain.com
to all email users that have an @yourdomain.com email address
.DESCRIPTION
Versions
1.0 - 12/21/2011 Initial release
.LINK
http://unicomsta.blogspot.com/
.EMAIL
sean.mcnamara@live.com
.EXAMPLE
.\Append-EmailAddresses.PS1
.INPUTS
None. You cannot pipe objects to this script.
#>
$mailboxes = Get-Mailbox -resultsize unlimited -RecipientTypeDetails UserMailbox"
foreach ($mailbox in $mailboxes)
{
$newaddress = $mailbox.windowsemailaddress -replace '@yourdomain.com' , '@exchange.yourdomain.com'
$mailbox.EmailAddresses += $newaddress
Set-Mailbox -Identity $mailbox.alias -EmailAddresses $mailbox.EmailAddresses
}
