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Identify inbox rules that forwards emails externally

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Identify inbox rules that forwards emails externally
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AdminDroid 2023-09-28 12:55:10 +05:30
parent 4151d074b7
commit 6a7a953908
1 changed files with 20 additions and 8 deletions
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28
Find Inbox Rules that Forwards Email Externally/GetInboxRulesWithExternalForwarding.ps1
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@ -3,6 +3,16 @@
Name: Find inbox rules with external email forwarding Name: Find inbox rules with external email forwarding
Description: This script Finds all inbox rules that forwards emails externally in Office 365 using PowerShell Description: This script Finds all inbox rules that forwards emails externally in Office 365 using PowerShell
Website: o365reports.com Website: o365reports.com
Script Highlights:
~~~~~~~~~~~~~~~~~
1.The script uses modern authentication to connect to Exchange Online.
2.The script can be executed with MFA enabled account.
3.Automatically installs the EXO V2 module (if not installed already) upon your confirmation.
4.Helps to filter-out forwarding rules that forwards emails to external users by excluding guest accounts.
5.The script is scheduler – friendly. i.e., credentials can be passed as parameters rather than being saved inside the script.
6.Exports the report result to a CSV file.
For detailed script execution: https://o365reports.com/2022/06/09/find-office365-inbox-rules-with-external-forwarding-powershell For detailed script execution: https://o365reports.com/2022/06/09/find-office365-inbox-rules-with-external-forwarding-powershell
============================================================================================ ============================================================================================
#> #>
@ -25,7 +35,7 @@ if ($Exchange -eq $null)
Write-Host "Installing ExchangeOnlineManagement..." -ForegroundColor Magenta Write-Host "Installing ExchangeOnlineManagement..." -ForegroundColor Magenta
Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
Import-Module ExchangeOnlineManagement -Force Import-Module ExchangeOnlineManagement -Force
Write-Host "ExchangeOnline PowerShell module is installed in the machine successfully." -ForegroundColor Green Write-Host "ExchangeOnline PowerShell module is installed in the machine successfully." -ForegroundColor Green `n
} }
else else
{ {
@ -46,7 +56,7 @@ else
{ {
Connect-ExchangeOnline Connect-ExchangeOnline
} }
Write-Host "ExchangeOnline module successfully connected..." -ForegroundColor Green Write-Host "ExchangeOnline module successfully connected..." -ForegroundColor Green `n
#Function for export output to CSV file #Function for export output to CSV file
Function ExportCSV Function ExportCSV
@ -64,7 +74,7 @@ Function ExportCSV
} }
#Getting InboxRules with external email configuration...... #Getting InboxRules with external email configuration......
Write-Host "Getting InboxRules with external email configuration..." Write-Host "Getting InboxRules with external email configuration..."`n
$OutputCsv=".\InboxRuleWithExternalEmails_$((Get-Date -format MMM-dd` hh-mm` tt).ToString()).csv" $OutputCsv=".\InboxRuleWithExternalEmails_$((Get-Date -format MMM-dd` hh-mm` tt).ToString()).csv"
$InboxRuleCount = 0 $InboxRuleCount = 0
$Global:InboxRuleWithExternalEmailCount = 0 $Global:InboxRuleWithExternalEmailCount = 0
@ -176,7 +186,7 @@ Get-Mailbox -ResultSize unlimited | foreach {
ExportCSV ExportCSV
} }
} }
Write-Host "Script executed successfully." Write-Host "Script executed successfully." `n
#Open output file after execution #Open output file after execution
if($InboxRuleCount -eq 0) if($InboxRuleCount -eq 0)
@ -185,7 +195,7 @@ if($InboxRuleCount -eq 0)
} }
else else
{ {
Write-Host "$InboxRuleCount InboxRule found in this organization." Write-Host "$InboxRuleCount InboxRule found in this organization." `n
if($Global:InboxRuleWithExternalEmailCount -eq 0) if($Global:InboxRuleWithExternalEmailCount -eq 0)
{ {
Write-Host "But no InboxRule found with external email." Write-Host "But no InboxRule found with external email."
@ -194,14 +204,16 @@ else
{ {
Write-Host "$Global:InboxRuleWithExternalEmailCount InboxRule found with external email." Write-Host "$Global:InboxRuleWithExternalEmailCount InboxRule found with external email."
if((Test-Path -Path $OutputCsv) -eq "True") if((Test-Path -Path $OutputCsv) -eq "True")
{ {
Write-Host "The InboxRule with external email configuration report available in : $OutputCsv " -ForegroundColor Green Write-Host `n "The InboxRule with external email configuration report available in:" -NoNewline -ForegroundColor Yellow; Write-Host "$OutputCsv"
$Prompt = New-Object -ComObject wscript.shell $Prompt = New-Object -ComObject wscript.shell
$UserInput = $Prompt.popup("Do you want to open output file?",` 0,"Open Output File",4) $UserInput = $Prompt.popup("Do you want to open output file?",` 0,"Open Output File",4)
If ($UserInput -eq 6) If ($UserInput -eq 6)
{ {
Invoke-Item "$OutputCSV" Invoke-Item "$OutputCSV"
} }
Write-Host `n~~ Script prepared by AdminDroid Community ~~`n -ForegroundColor Green
Write-Host "~~ Check out " -NoNewline -ForegroundColor Green; Write-Host "admindroid.com" -ForegroundColor Yellow -NoNewline; Write-Host " to get access to 1800+ Microsoft 365 reports. ~~" -ForegroundColor Green `n`n
} }
} }
} }