Exchange 2013 CU6, spam, builtin spam filter

I have a little exchange box I play with and host a few mailboxes on.  It's Server 2012 R2 hosting Exchange 2013 CU6.

I'm using the builtin spam settings and I have it set really tight, like 4 to delete, 3 to NDR as spam and 2 to send to my junk mail folder in outlook.  I am also using spamcop and spamhaus RBLs and I still get a lot of spam.  

Share your thoughts in what the settings should be, what all can be done using just the builtin stuff and maybe I'll come up with a better setup than I have right now.


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Will SzymkowskiSenior Solution ArchitectCommented:
The fact is, no matter what you are using for anti-spam you are always going to encounter some kind of spam. If you are only using build-in spam agents then this is why you are getting a lot of spam. Build-in functions like this in Exchange are very basic and are not designed to replace 3rd party software/appliances.

That being said, Another way to help block spam or mark spam is using the transport rules in Exchange 2013 and setting the SCL for specific words that are contained in the subject or body.


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crp0499CEOAuthor Commented:
Didn't think about that.  Officer thinking Will!
AmitIT ArchitectCommented:
Best way to control spam is to setup two level of filtering. You can use services from 3rd party vendor like Message labs and then you can setup other layer in your on-premises environment and can control more by creating custom rules. Look for Product like Brightmail from Symantec or trendmicro.

Also note, user education is very key in controlling spams. Educate user to avoid using company email address on public forums. That can also reduce spam emails.
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
I recommend you stop doing it on your Exchange and go with someone like Fusemail.  We have been with them for years and I may get a spam once in a blue moon.  Note that I get about 100 messages from Internet a day.
crp0499CEOAuthor Commented:
I normally NEVER respond to these, but I just have to say to Mohammed, REALLY?  You posted that?  Like I'd give up my BMW for a VW.  OMG!  :)  All meant light heartedly.  :)
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