Offtopic: spam

I know this thread was going through this group a while ago, but I was
unable to find the information that I was looking for.

Currently, users at my location are being inundated with Junk email. I am
using Exchange 5.5 SP4, but its blocking functions are really not the best.

Can anybody recommend a decent product, which is not overly expensive that
can curb the tide of junk mail. I would like the solution to be implemented
at the server level.

Thanks in advance,


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