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We are looking for the best anti-spam and anti-virus solution to protect a multi-tenented Exchange 2010 system with 500 mailboxes (upgrading to 750 soon).

We are looking at the Barracuda 400 boxes, any good?

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closed as not constructive by RobM, Iain, Holocryptic, Ben Pilbrow, John Gardeniers May 26 '11 at 10:25

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.

Any question asking for "the best" anything is off topic on server fault; both shopping questions and "subjective" questions are off topic. – RobM May 26 '11 at 8:24
Having said that, I personally favour "cloud based" filtering and AV to scan stuff at the gateway, as I think there is a lot of benefits in not even allowing stuff into your organisation just to reject it, and a 3rd party cloud provider means you still can queue incoming mail if your business internet connection is offline for any reason, possibly paired with something like forefront to scan the store itself. – RobM May 26 '11 at 8:28
up vote 1 down vote accepted

Check out Postini:

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Yeah we are using this for some other email services. Its OK but not great. – Adam Chetnik May 26 '11 at 8:15
Re: barracuda: – dmourati May 26 '11 at 8:23

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