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How can I restrict who sends messages to my journaling mailbox?


I am new to Exchange 2013 and have enabled journaling. It appears to be working but I have spent several hours trying to work out how to implement message delivery restrictions so that only the Exchange System itself can send emails to the journal mailbox. I know it is not possible to do this in EMC but I cannot find the Command Shell command to do this.

Any help would be greatly appreciated.

Thank you

Alasdair Barclay
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Michael Best
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Have you hidden the journal mailbox?
If you hide it then it shouldn't be necessary to stop people from sending to it.
Give the mailbox a local only address and then it cannot happen in error in most cases.

I have implemented journaling 100s of times for clients throughout my career, I have never seen anyone send an email to it directly.

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My journaling mailbox currently has the two email addresses generated by email address policy (default)

Can I remove the address without breaking anything? Of course this would make it a little safer as no external senders could route to a *.local domain.

I have hidden it from the address book.

I found somewhere that in Exchange 2010 you could do this command to achieve the lockdown, do you agree with this, and if so is it still valid for 2013?

Set-Mailbox "Standard Journaling" -AcceptMessagesOnlyFromSendersOrMembers "Microsoft Exchange" -RequireSenderAuthenticationEnabled $true


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Simon Butler (Sembee)
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Thanks Simon. If it's good enough for you it's good enough for me.

I'll remove the external email address.