Manage Forward Mail by using PowerShell

Set-Mailbox <Mailbox> -ForwardingAddress <Destination Recipient E-mail address>

Set-Mailbox Angelina -ForwardingAddress Bradp@o365info.com

Set-Mailbox <Mailbox> -ForwardingAddress <Destination Recipient E-mail address> -DeliverToMailboxAndForward $False

Set-Mailbox Angelina -ForwardingAddress Bradp@o365info.com -DeliverToMailboxAndForward $False

Set-Mailbox <Mailbox> -ForwardingsmtpAddress <Destination Recipient E-mail address>

Set-Mailbox Angelina -ForwardingsmtpAddress Bradp@o365info.com

Set-Mailbox <Mailbox> -ForwardingsmtpAddress <Destination Recipient E-mail address> -DeliverToMailboxAndForward $False

Set-Mailbox Angelina -ForwardingsmtpAddress Bradp@o365info.com -DeliverToMailboxAndForward $False

New-MailContact -Name <Display Name>  -ExternalEmailAddress <External Recipient Email Address>

New-MailContact <Display Name> -emailaddresses SMTP:<Office 365 User Email Address>, <External Recipient Email Address>

New-MailContact -Name "David bowie"  -ExternalEmailAddress Davidbowie@hotmail.com

Set-MailContact "David bowie" -emailaddresses SMTP:David@o365info.com,Davidbowie@hotmail.com

 Get-Mailbox <MailBox> | FL DeliverToMailboxAndForward,ForwardingAddress,ForwardingSmtpAddress

 Get-Mailbox Bradp@o365info.com | FL DeliverToMailboxAndForward,ForwardingAddress,ForwardingSmtpAddress

Get-Mailbox -ResultSize Unlimited | Where {($_.ForwardingAddress -ne $Null) -or ($_.ForwardingsmtpAddress -ne $Null)} | Select Name, ForwardingAddress, ForwardingsmtpAddress, DeliverToMailboxAndForward 

Set-Mailbox <MailBox> -ForwardingAddress $Null

Set-Mailbox Bradp@o365info.com -ForwardingAddress $Null

 Set-Mailbox <MailBox> -ForwardingSmtpAddress $Null

 Set-Mailbox Bradp@o365info.com -ForwardingSmtpAddress $Null

Get-Mailbox -ResultSize Unlimited| Where-Object {($_.ForwardingAddress -ne $Null) } | Set-Mailbox -ForwardingAddress $Null

Get-Mailbox -ResultSize Unlimited | Where-Object {($_.ForwardingsmtpAddress -ne $Null) } | Set-Mailbox -ForwardingsmtpAddress $Null

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 

 $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 

 $UserInboxRule = ForEach ($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

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingAddress <Office 365 User Email Address>

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingAddress Suzan@o365info.com

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -ForwardingSmtpAddress <External Recipient Email Address>

Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"}| Set-Mailbox -DeliverToMailboxAndForward $True

 Get-Mailbox | Where {$_.RecipientType -eq "UserMailbox"} | Set-Mailbox -ForwardingSmtpAddress  Suzan@Hotmail.com

$Mailboxes= Import-CSV C:\Temp\Users.csv 

ForEach ($Mailbox in $Mailboxes) 

{Set-Mailbox $Mailbox.users -DeliverToMailboxAndForward $True}

$Mailboxes= Import-CSV C:\Temp\Users.csv 

ForEach ($Mailbox in $Mailboxes)

{Set-Mailbox $Mailbox.users -ForwardingAddress Suzan@o365info.com}

Import-CSV "C:\Temp\Users.csv" | % { $_.Condition = [bool]($_.Condition -as [int]); $_  } | ForEach {Set-Mailbox -Identity $_.mailbox -ForwardingAddress $_.forwardto -Delivertomailboxandforward $_.Condition}