Get-SNSExchangeMailListMember.ps1
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function Get-SNSExchangeMailListMember { <# .SYNOPSIS Fetches members of exchange distribution groups. .DESCRIPTION Fetches the distribution groups members and returns them in a ArrayList and a hashtable. The ArrayList is "other" distribution groups members that can be checked if a mailaddress can be reomoved or not. The hashtable is "other" distribution groups members Only contacts is returned. Users with mailboxes is not returned. .INPUTS None. You cannot pipe objects to Get-SNSExchangeMailListMember. .OUTPUTS Two parts is returned. The first part is the otherMailListsMembers ArrayList. The second part is the mailListsToProcessMembers ArrayList. .PARAMETER Maillists Distribution groups that will be part of mailListsToProcessMembers. #> [OutputType([System.Collections.ArrayList], [System.Collections.ArrayList])] param ( [Parameter(Mandatory=$True, HelpMessage="Distribution groups that will be part of mailListsToProcessMembers.")] [string[]]$Maillists ) $otherMailListsMembers = @{} $mailListsToProcessMembers = @{} $mailListGroups = @() foreach($mailList in $Maillists) { try { $mailListGroups += (Get-DistributionGroup -Verbose:$false -ErrorAction Stop).ExchangeObjectId } catch { Write-SNSLog -Level "Error" "Could not fetch data for distribution group '$mailList'. Error $_" throw } } try { $groups = Get-DistributionGroup -Verbose:$false -ErrorAction Stop } catch { Write-SNSLog -Level "Error" "Could not fetch data for all distribution groups. Error $_" throw } try { foreach($group in $groups) { Write-SNSLog "Get distribution list $($group.DisplayName)" $data = Get-DistributionGroupMember -Verbose:$false -Identity "$($group.ExchangeObjectId)" -ErrorAction Stop if ($mailListGroups.Contains($group.ExchangeObjectId)) { $data | ForEach-Object { if ($_.RecipientType -eq "MailContact") { $mailListsToProcessMembers[$_.Identity] = $_ } } } else { $data | ForEach-Object { if ($_.RecipientType -eq "MailContact") { $otherMailListsMembers[$_.Identity] = $_ } } } } } catch { Write-SNSLog -Level "Error" "Fetch of distribution group members failed. Error $_" throw } Write-SNSLog "Done" return $otherMailListsMembers, $mailListsToProcessMembers } |