A user requests the auto-forwarding of email messages from a mailbox to another SMTP address in Office 365 dedicated

Symptoms
A user requests the auto-forwarding of email messages from a mailbox to another Simple Mail Transfer Protocol (SMTP) address in Microsoft Office 365 dedicated.

Note Customers sometimes ask for the auto-forwarding feature to accommodate internal business processes. This feature is also known as an alternate recipient.
Cause
Mailbox forwarding may be needed for many business reasons, and these reasons may include the following:
  • A user has to forward mail from one mailbox to another mailbox when the user is on an extended leave.
  • A user requests mail that is sent to a particular mailbox also be sent to an external SMTP address.

Resolution

To resolve this issue, use the Set-Mailbox Windows PowerShell cmdlet together with the following parameters to configure mailbox forwarding:
  • The DeliverToMailboxAndForward parameter specifies whether messages that are sent to this mailbox are forwarded to another address. If this parameter is set to $true, messages are delivered to the mailbox and to the forwarding address. If the parameter is set to $false, messages are delivered only to the forwarding address.
  • The ForwardingAddress parameter specifies a forwarding address.
  • The ForwardingSmtpAddress parameter specifies a forwarding SMTP address.

    You should use the ForwardingAddress parameter for most instances. The ForwardingSmtpAddress parameter allows for an external SMTP address to be set. However, because of the remote domain configuration in most environments, these automatic forwards will not be sent.
To configure mailbox forwarding by using the Set-Mailbox cmdlet, follow these steps:

  1. Obtain the following information:
    • The SMTP address of the mailbox that mail is to be forwarded from.
    • The SMTP address of the mailbox that mail is to be forwarded to.
    • Whether email messages should be delivered to both the original recipient and the alternative recipient or only to the alternative recipient.
  2. Run the following cmdlet by using Windows PowerShell:
    Set-Mailbox -Identity <MailboxIdParameter> -DeliverToMailboxAndForward <$true/$false> -ForwardingAddress <RecipientIdParameter>
    Note In this cmdlet, the placeholder <MailboxIdParameter> represents the alias of the SMTP address where mail is forwarded from. The placeholder <RecipientIdParameter> represents the SMTP address where mail is forwarded to.

    For example, the cmdlet resembles the following:
    Set-Mailbox -Identity John -DeliverToMailboxAndForward $true -ForwardingAddress manuel@contoso.com
More information
If the OOF feature doesn't work after you set auto-forwarding, see the following Microsoft Knowledge base article: 
2988783 Auto-replies aren't generated in an Office 365 dedicated High Availability (ANSI-D) environment
For more information about the Set-Mailbox cmdlet, go to the following Microsoft TechNet website:
Properties

Article ID: 2521060 - Last Review: 04/12/2016 06:22:00 - Revision: 17.0

Microsoft Business Productivity Online Dedicated, Microsoft Exchange Online Dedicated, Microsoft Business Productivity Online Suite Federal

  • vkbportal226 KB2521060
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