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Sometimes it is useful to have e-mail address like, where randomnumber identifies the conversation between a robot such as a mailing list server and a user. Is this possible with Microsoft Exchange?

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The correct term is "DEA", or Disposable Email Address. A wildcard email address is * – Mark Henderson Mar 11 '10 at 0:59
Here is the Wikipedia article on Disposable Email Addresses. – Nathan Hartley Sep 20 '10 at 16:04
up vote 3 down vote accepted

Out of the box no.

You could develop an event sink that does the routing for you... This might get you started.

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Fortunately or unfortunately (depending on your perspective) event sinks have been deprecated in exchange 2010. – EricB Apr 12 '12 at 0:50

While the short answer is no, when the need arises and I don't wish to use one of the many web based providers of disposable email addresses I simply create one, use it and delete it when done.

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This question is about e-mail addresses that are created on the fly by a computer program and only used one time. – joeforker Mar 11 '10 at 19:07
The answer then is still no. At least not out of the box. However, It's no big deal to script what I do manually. i.e. Don't try to do it within Exchange, do it with normal AD account scripting methods. The script can be run from whatever software you use. – John Gardeniers Mar 11 '10 at 20:58

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