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Safelist a domain in Exchange 2007

Posted on 2010-08-23
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Last Modified: 2012-05-10
Hi All,

I have been looking around everwhere to find a simple way to add the domain of a client company to the safelist of our company email addresses.  (We use Exchange 2007 with SBS 2008 with the latest patches)

I know about 'Safelist Aggregation' as described at:  http://www.petri.co.il/reduce-spam-exchange-server-2007-safe-list-aggregation-safe-senders.htm  (I would prefer not to use this method as it could aggregate compromise user level safelists)

I also have tried the 'Set-ContentfilterConfig' method as described at:  http://technet.microsoft.com/en-us/library/aa995952(EXCHG.80).aspx   (I have not been able to get it to work for outright domains e.g. @domain.com)

I really hope that there is a simple method that works for what I want to achieve without the use of 3rd party programs.

Please enlighten me if this is possible.
Cheers.
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Question by:saintfran
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by:Shabarinath Ramadasan
ID: 33507878
Could you please describe more on this issue? Client Mails are getting bounced or getting moved to Junk folder?

Good luck
Shaba
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Author Comment

by:saintfran
ID: 33507926
Some client domains, are getting bounced.  In some cases it is due to them incorrectly being on a known list of blacklisted domains other times Exchange just seems to reject them on its own.
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Expert Comment

by:johnyens
ID: 33507935
Here is a link with into on managing exchange whitelists. Hope this helps!

http://www.allspammedup.com/2009/01/managing-whitelists-and-blocklists-for-exchange-server-environments/

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by:saintfran
ID: 33508128
Yeah I already checkout out all the top results on Google search.  That method will work for individual addresses but not to add complete domains unfortunately :(

I am starting to think that it can not be done the way I would like and may have to resort to the Safelist Aggregation method if all else fails.
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by:Shabarinath Ramadasan
ID: 33508339
Configure a postmaster mailbox -> So that you will have a copy of all NDRs triggered by exchange.
Increase the diagnosis logging for MSExchange->Transport
See if all NDRs are having the same error code. If possible, post one.

Good luck
Shaba
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Expert Comment

by:johnyens
ID: 33512671
Sorry I thought you could use *@domain.com to specify the whole domain. I thought I had done this but maybe I am thinking of something else. Good luck!
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saintfran earned 0 total points
ID: 33563294
As expected I have had to rely on the Exchange aggregate option, it is less than ideal but we are small enough that we can manage it.

Does anyone know if this can be done is Exchange 2010?

Thanks
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