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Email Address Policy in Exchange 2007

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Last Modified: 2012-05-11
Hi there,

Managing SBS2008 with Exchange 2007, I am tasked with assigning email addresses from their multiple accepted domains, dependent on their Company/Department settings in each user's Organisation tab.

Does EAP stop being applied to a user once that user meets the selection criteria? Or, is it cumulative? In other words, if I have multiple EAPs, will all EAPs be applied to the same user as long as they meet the selection criteria?

If the answer to the previous questions is that only the highest priority EAP is applied to any one user, is it a case of a different EAPs for each combination of scenarios?

For example...

ACCEPTED DOMAINS
thebigcorp.com
business1.com
business2.com

COMPANY OPTIONS IN ORGANISATION TAB
The Big Corp

DEPARTMENT OPTIONS IN ORGANISATION TAB
All if user is to have all email addresses
Business 1 if user is to have an email address @business1.com
Business 2 if user is to have an email address @business2.com

POSSIBLE SCENARIOS
The user has a blank COMPANY and a blank DEPARTMENT: they get the email address thebigcorp.local
The user has The Big Corp as their COMPANY and a blank DEPARTMENT: they get email addresses at thebigcorp.local and thebigcorp.com (set as a the reply)
The user has The Big Corp as their company and Business 1 as their DEPARTMENT: they get email addresses at thebigcorp.local, thebigcorp.com and business1.com (set as the reply)
The user has The Big Corp as their COMPANY and Business 2 as their DEPARTMENT: they get email addresses at thebigcorp.local, thebigcorp.com and business2.com (set as reply)
The user has The Big Corp as their COMPANY and All as their DEPARTMENT: they get email addresses at thebigcorp.local, thebigcorp.com (set as reply), business1.com and business2.com
The user has a blank COMPANY and Business 1 as their DEPARTMENT: they get email addresses at thebigcorp.local and business1.com (set as reply)
The user has a blank COMPANY and Business 2 as their DEPARTMENT: they get email addresses at thebigcorp.local and business2.com (set as reply)
The user has a blank COMPANY and All as their DEPARTMENT: they get email addresses at thebigcorp.local (set as reply), business1.com and business2.com.

I guess what I'm really asking is, "What is best practise for implementing such a scenario"?

Thanks in advance.

Regs,
Bill.
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