You may need these to configure your 3rd party antispam software/appliance. There were lots of articles on the internet with complicated solutions, which did not work for me. Here a Powershell one-liner for Exchange management shell: Get-Mailbox | foreach { $_.EmailAddresses | foreach { $_.SmtpAddress } } Within regular Powershell, add this line at the very start: Add-PSSnapin Microsoft.Exchange.Management.PowerShell.Admin If you plan to run it as a batch job, the whole script could look like the following: Add-PSSnapin Microsoft.Exchange.Management.PowerShell.Admin Get-Mailbox | foreach { $_.EmailAddresses | foreach { $_.SmtpAddress } } > emails.txt |
Tech Blog >