I have a fairly new installation of Exchange 2013 on Windows Server 2012 R2 on Hyper-V VM. I cannot seem to send any attachments other than text on any outbound emails. When I try, the email arrives with a short text file in place of the attachment, that says:

The Attachment has been Removed.

I thought attachment management was only for incoming emails. If this is due to some new security feature in Exchange 2013, is there a place in Exchange where I can turn it off, or configure it appropriately?

NOTE: The attachments are generally .exes or .Zips, but I always add .remove or .txt at the end to eliminate the extension issue.

  • On Exchange try: Get-AttachmentFilterEntry and see what filters you have in place, if any. – TheCleaner May 21 '14 at 19:29
  • The command Get-AttachmentFilterEntry is only available on edge server, and this is outgoing mail issue... – Charles Bretana May 25 '14 at 23:11

Check the file extension. For several versions, Outlook or Exchange (I forget which exactly) will always strip out certain files like EXE, VBS, PS, BAT, etc.

Try a TXT file and see if the same thing happens.

If that isn't it, check the Transport Rules.


  • It is happening for a .Net compiled executable, which I have renamed so it is is filename.exe.remove. No Transport rules are in effect. or, at least, none show in my ECP under MailFlow, Rules – Charles Bretana May 25 '14 at 23:13
  • An Attachment arrives but it is not the one I sent, it is simple text file that says "This attachment was removed." – Charles Bretana May 25 '14 at 23:20
  • Actual *.txt files (if they really only have ascii text in them) work ok. It's just binary or non-text files that fail. – Charles Bretana May 25 '14 at 23:49

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