Forward mail in O365 via admin interface


We have a user is go on leave without notice, Ive been asked by his manager to put on forwarding via the O365 Admin Interface to him whilst leaving the original still goes to the person who is off.

Is there any way the person who is off can see who else has received this message, for example would he know if his manager will know he has received his emails? For example would their be an Outlook client side rule visible on the user PC who has gone on leave?

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Vasil Michev (MVP)Commented:
Depends on what type of forwarding you configure. If it's the "regular" forwarding, no rule will be visible and the redirect happens server-side. Just make sure to select the "keep a copy in the user mailbox" option as well.
SycamoreITAuthor Commented:
Yep i was thinking regular forwarding which is available in the O365 Admin Interface and also tick the box to keep a copy in user mailbox.

Seems to be the way Im leaning towards right now.
SycamoreITAuthor Commented:
Just noticed this

Forward all email sent to this mailbox

The mailbox owner will be able to view and change these forwarding settings.

Forwarding address *

Keep a copy of forwarded email in this mailbox
 Save   Cancel

Looks like they (mailbox owner) will be able to see the forwarding?
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Vasil Michev (MVP)Commented:
The only place an end user can see this is if they open the OWA settings page. It will not be visible in Outlook. The reason for this is that the Admin UI configures the ForwardingSmtpAddress, same as what the end user can configure. If you dont want it visible at all, you can use the other property, ForwardingAddress, but that one is only available via the EAC or PowerShell. There's more info about it here:

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better you could configure transport rule to copy and forward message to his manager which cannot be seen / understand by user by any means unless he got admin access to O365 admin panel
SycamoreITAuthor Commented:
Thanks Vasil, this has worked a treat.
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