Exchange 2010 Email Alias

Question

Is there a way (preferably with Powershell) to find out when the last time an email was sent to a persons email alias as opposed to the primary email address?
Any help would be appreciated.

Answer 1

Hi,
Based on my knowledge, when we use Get-MessageTrackingLog cmdlet to find out when the last time an email was sent to a user, we usually use
Recpients parameter specifies the recipient's SMTP e-mail addresses of the messages. And there are
no other parameters we can specify the recipient's alias instead of primary email address.
In addition, here is the script to find out when the last time an email was sent to a user with email SMTP address.
$UserList = Get-mailbox -Resultsize 10
$MasterList = @()
foreach ($User in $UserList) {
$MyObject = New-Object PSObject -Property @{
EmailAddress = $null
MailboxSize = $null
LastSent = $null
$ErrorActionPreference = 'SilentlyContinue'
$MyObject.LastSent = ((Get-TransportServer | Get-MessageTrackingLog -Recipients $user.PrimarySmtpAddress | sort timestamp)[-1]).timestamp
$MyObject.EmailAddress = ($User).PrimarySmtpAddress
$MyObject.MailboxSize = (Get-MailboxStatistics $User).TotalItemSize
$ErrorActionPreference = 'Continue'
$MasterList += $MyObject
$MasterList
Note: Searching message tracking logs across the organization is very slow.  I specified "resultsize 10" below so you can see how the script works.  Once you're happy, change "10" to "unlimited".
Best regards.