1. Set mail forwording
ADMIN Forwarding (ForwardingAddress)
ADMIN Forwarding (ForwardingAddress) – Forward Email to Recipient & SAVE local copy (Default)
PowerShell command syntax
1 | Set-Mailbox <Mailbox> -ForwardingAddress <Destination Recipient E-mail address> |
PowerShell command Example
1 | Set-Mailbox Angelina -ForwardingAddress Bradp@o365info.com |
ADMIN Forwarding (ForwardingAddress) – Forward Email to Recipient DONT SAVE a local copy
PowerShell command syntax
1 | Set-Mailbox <Mailbox> -ForwardingAddress <Destination Recipient E-mail address> -DeliverToMailboxAndForward $False |
PowerShell command Example
1 | Set-Mailbox Angelina -ForwardingAddress Bradp@o365info.com -DeliverToMailboxAndForward $False |
USER Forwarding (ForwardingsmtpAddress)
Admin Forwarding (ForwardingsmtpAddress) – Forward Email to Recipient & SAVE local copy (Default)
PowerShell command syntax
1 | Set-Mailbox <Mailbox> -ForwardingsmtpAddress <Destination Recipient E-mail address> |
PowerShell command Example
1 | Set-Mailbox Angelina -ForwardingsmtpAddress Bradp@o365info.com |
Admin Forwarding (ForwardingsmtpAddress) – Forward Email to Recipient DONT SAVE a local copy
PowerShell command syntax
1 | Set-Mailbox <Mailbox> -ForwardingsmtpAddress <Destination Recipient E-mail address> -DeliverToMailboxAndForward $False |
PowerShell command Example
1 | Set-Mailbox Angelina -ForwardingsmtpAddress Bradp@o365info.com -DeliverToMailboxAndForward $False |
Create External contact with internal email address + Forward email address (External Email Address)
Step 1: Create External contact with External email address
PowerShell command syntax
1 | New-MailContact -Name <Display Name> -ExternalEmailAddress <External Recipient Email Address> |
Step 2: Set External contact email address to internal email address and forwarding email address (External email address) PowerShell command syntax:
PowerShell command syntax
1 | New-MailContact <Display Name> -emailaddresses SMTP:<Office 365 User Email Address>, <External Recipient Email Address> |
PowerShell command Example
Step 1: Create External contact with External email address
1 | New-MailContact -Name "David bowie" -ExternalEmailAddress Davidbowie@hotmail.com |
Step 2: Set External contact email address to internal email address and forwarding email address (External email address) PowerShell command syntax:
1 | Set-MailContact "David bowie" -emailaddresses SMTP:David@o365info.com,Davidbowie@hotmail.com |
2. Display information about mailbox Forwarding settings
Display information about Specific Mailbox Forwarding settings
PowerShell command syntax
1 | Get-Mailbox <MailBox> | FL DeliverToMailboxAndForward,ForwardingAddress,ForwardingSmtpAddress |
PowerShell command Example
1 | Get-Mailbox Bradp@o365info.com | FL DeliverToMailboxAndForward,ForwardingAddress,ForwardingSmtpAddress |
Find all Recipients (Display list) with ADMIN Forwarding or USER Forwarding
PowerShell command Example
1 | Get-Mailbox -ResultSize Unlimited | Where {($_.ForwardingAddress -ne $Null) -or ($_.ForwardingsmtpAddress -ne $Null)} | Select Name, ForwardingAddress, ForwardingsmtpAddress, DeliverToMailboxAndForward |
3. Disable (remove) E-mail Forwarding option
Disable (cancel) ADMIN Forwarding (ForwardingAddress) Specific MAILBOX
PowerShell command syntax
1 | Set-Mailbox <MailBox> -ForwardingAddress $Null |
PowerShell command Example
1 | Set-Mailbox Bradp@o365info.com -ForwardingAddress $Null |
Disable (cancel) USER Forwarding (ForwardingsmtpAddress) Specific MAILBOX
PowerShell command syntax
1 | Set-Mailbox <MailBox> -ForwardingSmtpAddress $Null |
PowerShell command Example
1 | Set-Mailbox Bradp@o365info.com -ForwardingSmtpAddress $Null |
Disable (cancel) ADMIN Forwarding (ForwardingAddress) ALL MAILBOXES (BULK mode)
PowerShell command Example
1 | Get-Mailbox -ResultSize Unlimited| Where-Object {($_.ForwardingAddress -ne $Null) } | Set-Mailbox -ForwardingAddress $Null |
Disable (cancel) USER Forwarding (ForwardingsmtpAddress) ALL MAILBOXES (BULK mode)
PowerShell command Example
1 | Get-Mailbox -ResultSize Unlimited | Where-Object {($_.ForwardingsmtpAddress -ne $Null) } | Set-Mailbox -ForwardingsmtpAddress $Null |
4. Export information about forwarding settings
Exoprt informaiton about USER Forwarding rule
Export to CSV file:
PowerShell command Example
1 | Get-Mailbox -ResultSize Unlimited | Where-Object {($_.ForwardingsmtpAddress -ne $Null) } | Select-Object DisplayName,Alias, PrimarySmtpAddress, ForwardingAddress, ForwardingsmtpAddress, DeliverToMailboxAndForward, RecipientType,RecipientTypeDetails | Export-CSV C:\TEMP\"All Recipents that have USER Forwarding(ForwardingsmtpAddress).CSV" –NoTypeInformation -Encoding utf8 |
Exoprt informaiton about ADMIN Forwarding rule
Export to CSV file:
PowerShell command Example
1 2 | $fwds = Get-Mailbox -ResultSize Unlimited | Where-Object { $_.ForwardingAddress -ne $null } | Select-Object DisplayName,Alias, name, ForwardingAddress ; foreach ($fwd in $fwds) {$fwd | add-member -membertype noteproperty -name “ContactAddress” -value (get-contact $fwd.ForwardingAddress).WindowsEmailAddress} ; $fwds | Export-CSV C:\TEMP\"All Recipents that have Admin Forwarding(ForwardingAddress).CSV" –NoTypeInformation -Encoding utf8 |
Exoprt informaiton about User inbox Forwarding rule
Export to CSV file:
PowerShell command Example
1 | $UserInboxRule = ForEach ($i in (Get-Mailbox -ResultSize Unlimited)) {Get-InboxRule -Mailbox $i.DistinguishedName | Where-Object {$_.ForwardTo} | fl MailboxOwnerID,Name,ForwardTo,Description} $UserInboxRule | Out-File C:\TEMP\"User inbox Forwarding rule.txt" -Encoding UTF8 |
5. Forward Email of ALL Users to Additional email address (Bulk mode)
4.1 – Forward Email of ALL Users to internal Recipient & save local copy
PowerShell command Syntax
Step 1: Save local copy
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True |
Step 2: Forward email to the destination recipient (internal\organization recipient)
PowerShell command syntax
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingAddress <Office 365 User Email Address> |
PowerShell command Example
Step 1: Save local copy
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True |
Step 2: Forward email to the destination recipient (internal\organization recipient)
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingAddress Suzan@o365info.com |
4.2 – Forward Email of ALL Users to External Recipient & save local copy
Step 1: Save local copy
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True |
Step 2: Forward email to the destination recipient (internal\organization recipient)
PowerShell command syntax
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingSmtpAddress <External Recipient Email Address> |
PowerShell command Example
Step 1: Save local copy
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True |
Step 2: Forward email to the destination recipient (External recipient)
1 | Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"} | Set-Mailbox -ForwardingSmtpAddress Suzan@Hotmail.com |
4.3 – Forward Email to External Recipient & save local copy | import from CSV File |Scenario 1
Step 1: Enable to option of DeliverToMailboxAndForward
1 2 3 | $Mailboxes= Import-CSV C:\Temp\Users.csv ForEach ($Mailbox in $Mailboxes) {Set-Mailbox $Mailbox.users -DeliverToMailboxAndForward $True} |
Step 2: Forward email to the destination recipient (internal\organization recipient)
PowerShell command syntax
1 2 3 | $Mailboxes= Import-CSV C:\Temp\Users.csv ForEach ($Mailbox in $Mailboxes) {Set-Mailbox $Mailbox.users -ForwardingAddress Suzan@o365info.com} |
Example
4.4 – Forward Email to External Recipient & save local copy | import from CSV File |Scenario 2
Step 1: Enable to option of DeliverToMailboxAndForward
1 | Import-CSV "C:\Temp\Users.csv" | % { $_.Condition = [bool]($_.Condition -as [int]); $_ } | ForEach {Set-Mailbox -Identity $_.mailbox -ForwardingAddress $_.forwardto -Delivertomailboxandforward $_.Condition} |
Example
When you set ForwardingAddress, Exchange will update the altRecipient attribute of the user with the DN of the mail-enabled contact object in the Active Directory. See below image for your reference.
When you set ForwardingSMTPAddress, Exchange will update the msExchGenericForwardingAddress attribute of the user with the SMTP address of the recipient. See below image for your reference.
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