Blackforce

A neat little command to dump out the whole of Active Directory users email addresses to the root of c: can be found below :-

dsquery * -filter "(&(objectCategory=person)(objectClass=user)(mail=*))" -attr mail displayname -limit 0 > c:\email_addresses.txt

Sometimes people in Active Directory have extra email addresses associated with them. This makes identifying who has certain addresses very time consuming.

An example of this might be someone that has the email address info@company.com you then go to create a mailbox with that alias and you get the following message come up :

This email address aready exists in this organization

In order to find out who has this address you can do the following :-

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