Fascinating! I cant recall ever having seen that header before either. Thanks for sharing back this info!
Not knowing the extent of the intent of that header, I couldn't speak to the risk, although I found this story regarding it interesting: http://www.scottfeltmann.com/?p=595 -- Espi On Fri, Dec 2, 2016 at 2:36 PM, Maglinger, Paul <[email protected]> wrote: > I put this out on the Microsoft Forum and David Wang came up with this: > > > > Apply rule to messages > > when the “X-MS-Exchange-Inbox-Rules-Loop” matches [email protected] > > send “Block” to sender with “5.7.1” > > > > This seems to work with a test user on both auto-forward and redirects. I > should also be able to wildcard the username to hit the specific mailboxes > I’m looking to block. > > Does anyone see a problem with using this method? > > > > Paul > > > > *From:* [email protected] [mailto:listsadmin@lists. > myitforum.com] *On Behalf Of *Maglinger, Paul > *Sent:* Monday, November 21, 2016 4:31 PM > *To:* '[email protected]' > *Subject:* RE: [Exchange] RE: Redirect vs. auto-forwarding rules > > > > Pray thee Michael, wouldst thou haveth some wisdom to share? > > > > > > > > *From:* [email protected] [mailto:listsadmin@lists. > myitforum.com <[email protected]>] *On Behalf Of *Micheal > Espinola Jr > *Sent:* Monday, November 21, 2016 9:28 AM > *To:* [email protected] > *Subject:* Re: [Exchange] RE: Redirect vs. auto-forwarding rules > > > > I would try and chat-up Michael B. Smith about this. If anyone would know > the skinny about this, it would be him. > > > -- > Espi > > > > > > On Mon, Nov 21, 2016 at 6:37 AM, Maglinger, Paul <[email protected]> > wrote: > > Nope, just a plain ol’ run-of-the-mill user mailbox. Nothing special > about it at all. > > > > Paul > > > > *From:* [email protected] [mailto:listsadmin@lists. > myitforum.com] *On Behalf Of *Micheal Espinola Jr > *Sent:* Monday, November 21, 2016 8:27 AM > *To:* [email protected] > *Subject:* Re: [Exchange] RE: Redirect vs. auto-forwarding rules > > > > 😅 "Is you ..." should have been "Is your ..." > > > > Wow. I wonder if that changed at some point? I could have sworn reading > that it should block both - but that was a few years back at least since > last thinking about it, and I can't find any current information about it. > > > > Are you testing a mailbox with exchange admin privs, or a "normal user" > type of test account? I would test this myself personally, but I currently > don't have access to an Exchange server. > > > -- > Espi > > > > > > On Sun, Nov 20, 2016 at 9:10 PM, Maglinger, Paul <[email protected]> > wrote: > > External. Redirect still goes through. > > Sent from my iPhone > > > On Nov 20, 2016, at 6:32 PM, Micheal Espinola Jr < > [email protected]> wrote: > > It has been my understanding that message type "auto-forward" should block > both. Is you testing to internal or external recipients? > > > -- > Espi > > > > > > On Fri, Nov 18, 2016 at 1:00 PM, Maglinger, Paul <[email protected]> > wrote: > > By doing some testing, it appears that the mechanisms are different and > email will be redirected without being auto-forwarded which now begs the > questions: > Using a transport rule I can prevent auto-forwarding of emails but there > doesn't appear to be an option that prevents redirecting. > First, if that's the case, isn't that kind of dumb? If you have the > capability to prevent auto-forwarding with a transport rule why would you > then provide a mechanism to the user to circumvent that measure? > Second, if the above is not the case and there is a way to set up a > transport rule to prevent the redirects, can someone please point it out > because I don't see the option. > > Paul > > > -----Original Message----- > From: [email protected] [mailto:listsadmin@lists. > myitforum.com] On Behalf Of Maglinger, Paul > Sent: Friday, November 18, 2016 2:24 PM > To: New Exchange List ([email protected]) > Subject: [Exchange] Redirect vs. auto-forwarding rules > > Does the "redirect" option for an Outlook rule use the same mechanism as > auto-forward? > If there is a transport rule to prevent auto-forwarding will it also apply > to the redirect? > > Thanks, > > Paul > > > > > > >
