Network Admins - What anti-spam do you use?

Trend ScanMail here, Norton Mail Security at another, Spamassasin and ClamAV at another... For a simple Windows based setup though, I'd recommend the Trend.
 
Is this for a company server(s) or home use?

I know a couple of friends, both IT managers at fair sized companies who both use GFI MailEssentials. It's certainly not cheap, about 3k for a 1,000 mailboxes from what I hear.
 
It's for a company, around 100 mailboxes.

My friend recently reviewed a few anti-spam products & decided on IHateSpam. I've also heard good things about this software, but wondered in general what other enterprises were using.

Cheers anyway.
 
I use Brightmail, cost was about £8k for 2 years filtering upto 500 (I think) mailboxes.

Unfortunately Brightmail were bought out by Symantec shortly after I bought it so I'm expecting my renewal in August to be a fair bit higher.
 
You may like to have automically updates from third party blacklists such as ORDB, SpamHaus, Spamcop etc. I didn't see this mentioned in the literature for IHateSpam.
Also if the software is going directly on the mail server, it might put an unacceptable strain on it. Unlikely with a 100 mailbox system but it might be thinking about. I think the IT bods I mentioned run their antispam on gateways, which filter the mail before passing it on to the Exchange servers which leaves the mail servers a lot 'cleaner'.
 
Mr Blonde said:
I think the IT bods I mentioned run their antispam on gateways, which filter the mail before passing it on to the Exchange servers which leaves the mail servers a lot 'cleaner'.
Click to expand...
Depends on the box. Trend runs on the Exchange box here.. but it's one meaty box (Quad Xeon). I'm tempted to add another mail gateway and put some anti-spam on that simply because of the amount we get, not because the server cant deal with it.
 
IHateSpam can be installed on a PC in the DMZ.

One major thing i forgot to mention.....our Exchange server is an NT4.0 machine running Exchange 5.5! (Runs away & hides with embarassment). So not all anti-spam software support NT4.0, where IHateSpam offer a free upgrade when you upgrade your machine to 2003.

The power's that be have yet to give our (2 year old) upgrade plan the go ahead, all to do with budgets...mutter grumble. I don't think that they understand the risks, but i'm not the IT manager :(
 
Sounds like you've made up your mind.

There's an age old addage...if it aint broke, don't fix it. I know of a few companies that would have happily stayed with NT with exchange 5.5, having gone through hell on upgrading to 2k and then very quickly on to 2k3 server!

Good luck :)
 
A gateway anti-spam solution is of course mail system independant - it can sit in front of pretty much anything. And I'll also echo what's been said about NT4/Exchange 5.5. It may be a little dirty, but it works.

God help you if the .edb corrupts though. Rebuilding a 5.5 database is not pretty :(
 
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