Public/Permissions/Get-SendAsPerms.ps1
function Get-SendAsPerms { <# .SYNOPSIS Outputs Send As permissions for each mailbox that has permissions assigned. This is for On-Premises Exchange 2010, 2013, 2016+ .EXAMPLE (Get-Mailbox -ResultSize unlimited | Select -expandproperty distinguishedname) | Get-SendAsPerms | Export-csv .\SA.csv -NoTypeInformation If not running from Exchange Management Shell (EMS), run this first: Connect-Exchange -NoPrefix #> [CmdletBinding()] Param ( [parameter(ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] $DistinguishedName, [parameter()] [hashtable] $ADHashDN, [parameter()] [hashtable] $ADHash ) Begin { Try { import-module activedirectory -ErrorAction Stop } Catch { Write-Host "This module depends on the ActiveDirectory module." Write-Host "Please download and install from https://www.microsoft.com/en-us/download/details.aspx?id=45520" throw } } Process { ForEach ($curDN in $DistinguishedName) { $mailbox = $curDN Get-ADPermission $curDN | Where-Object { $_.ExtendedRights -like "*Send-As*" -and ($_.IsInherited -eq $false) -and !($_.User -like "NT AUTHORITY\SELF") -and !($_.User.tostring().startswith('S-1-5-21-')) } | ForEach-Object { $User = $_.User try { Get-ADGroupMember ($_.user -split "\\")[1] -Recursive -ErrorAction stop | ForEach-Object { New-Object -TypeName psobject -property @{ Mailbox = $ADHashDN.$mailbox.DisplayName UPN = $ADHashDN.$mailbox.UPN Granted = $ADHashDN[$_.distinguishedname].DisplayName GrantedUPN = $ADHashDN[$_.distinguishedname].UPN Permission = "SendAs" } } } Catch { New-Object -TypeName psobject -property @{ Mailbox = $ADHashDN.$mailbox.DisplayName UPN = $ADHashDN.$mailbox.UPN Granted = $ADHash."$User".DisplayName GrantedUPN = $ADHash."$User".UPN Permission = "SendAs" } } } } } END { } } |