Exchange 2010 - Block emails and blacklist domain

I do really have sometimes to blacklist some domains and email that my users receive in their email accounts.

I do have an IT Outsourcing that do that for us but know i have access to our server and would like to know how can i block domains and emails which are considered as SPAM AND FISHING.

Can you guide through on how to do?
mallonyIT TechnicianAsked:
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David AtkinTechnical DirectorCommented:

You can block an email address or domain by doing the following:

- Open the Exchange Management Console
- Expand Organization Configuration
- Expand Hub Transport
- Click on the Anti-Spam tab
- Double click on 'Sender Filtering'
- Click on 'Blocked Sender' - Add the individual email or domain address in here.

Alternatively look at getting a third party email filtering solution like McAfee.  Then all the filtering is done off site.

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mallonyIT TechnicianAuthor Commented:
Many Thanks.
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