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Exchange 2007 - route all email to invalid alias to a mailbox

Posted on 2009-04-11
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Last Modified: 2012-08-13
Hi !

I would like that all email sent to an invalid alias to be redirected to an mail administrator mailbox. How can I accomplish this please ?

I do not have an Edge server
I do not have the anti-spam fonctions enabled.

Thank you !
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Question by:martinlebel
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Expert Comment

by:Mestha
ID: 24125891
That is a really bad idea.
What you are talking about is a catch all facility, and that was a bad idea in 1999, it should be left there.
It will become nothing but a spam and virus trap, as every email address will be valid on your server. It is far more efficient to install the antispam agents on to the server and enable recipient filtering. Then anyone sending to an invalid address gets a reject immediately. It also protects your server from being abused.
I have a client who rejects 10,000 messages a day to non-valid recipients. The vast majority of them to bogus addresses that do not exist, so will be spam or viruses.

Simon.
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Author Comment

by:martinlebel
ID: 24126247
it has been requested by the owner of the company. I have to accomplish this.
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Accepted Solution

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Mestha earned 500 total points
ID: 24126502
Isn't Google working then?
Third hit:

http://www.petri.co.il/setting-up-a-catchall-mailbox-in-exchange-2007.htm

It doesn't surprise me that it was requested by someone who is probably not completely aware of the consequences, I would suggest that you do your best to get that person to change their mind - it is a really really bad idea. I mean really bad.

Whoever has to go through the mailbox will spend all day doing it, because the message flow will be relentless. The use of your bandwidth will go through the roof as you receive all the garbage. Remember 90% of all email is spam, and that means that the majority of the messages that mailbox will receive will be spam.

Simon.
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Author Comment

by:martinlebel
ID: 24133259
I'm very disapointed with your answer.

I'm a paying customer to this website so I should NEVER get back an answer telling me to go search on google myself.

Maybe I don't know how to name that fonction, maybe I don't have to time to search, mabye I need someone to explain it clearly to me according to my needs.

I'm paying for EE to post a question and then get a reply with an answer.

Why telling me to search first and then telling me the answer ? Please avoid that kind of answer next time.

-Martin
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Author Closing Comment

by:martinlebel
ID: 31569272
The expert told me to go make some search myself on google. As a paying customer of EE this is something I should never been told to do.

the expert did gave some good advice but only after laughing on my lack of knowledge on the subject.
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LVL 65

Expert Comment

by:Mestha
ID: 24133572
The fact that you are a paying customer doesn't mean a thing to me.
Do you think I get paid? No one gets paid to answer questions on this site. All you are paying for is access to the site. There is no guarantee of having your questions answered.
I give up my free time to answer questions, and answering questions that can be covered by a 10 second search on Google is not a good use of my time.

Simon.
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