Cost effective spam filtering....

[monaro800]

I have a Sophos appliance for that, £1500 to buy, a bitch to setup and a joy to run.

Stops 99% for me....

http://www.sophos.com

 

[droyden]

We use mimecast for our offhost spam solutions, no issues in the 6-7 years we have used them and we get zero spam

 

[ashrobbo]

we found puremessage on exchange 2007 very good, we now run a watchguard firewall with the anti spam module, does an excellent job.

 

[oldbag]

Watchguard are pretty decent from my experience.

 

[101001101]

Mailmarshal, irc it came out a fair amount cheaper than messagelabs etc the last time i ran a comparison.

We use this, I'd never heard of it tbh until I started here but in all fairness its very good.

A suitable OpenSource offering that's good but needs a bit of work to configure and keep on top of is SpamAssassin, I used that at my last place (production use for around 500 mailboxes, nothing huge).

 

[Seaniboy]

We have just started trialing this and so far it is great, also comes bundled with email continuity!

http://www.gfi.com/hosted-email-security-solution

 

[Liquidfox]

Bit of a necro, but Postini is available through resellers, or used to be at least. We used to use a company called HostingIreland for ours after they upped the reseller requirements to something like 5k+ users.

 

[ollie2great]

A great company to use is iCritical they are UK based and also include email continuity as standard. They are also much more cost effective than MessageLabs

 

[Yamahahahahaha]

Oliver Paterson if you are going to advertise the company you work for (iCritical), at least be direct about it.

 

[101001101]

To the OP, why not try "cluebringer", here's some links that might help:

http://www.policyd.org/

http://spamassassin.apache.org/

http://www.clamav.net/lang/en/

http://postgrey.schweikert.ch/

http://www.postfix.org/

or for an all in one bundle:

http://www.iredmail.org/

 

[Ish]

http://www.spamhero.com/

 

[RichIbizaSport]

Mailmarshal, irc it came out a fair amount cheaper than messagelabs etc the last time i ran a comparison.

+1 for Mailmarshal. Does the job well and it's reasonably priced.

 

[G.O.A.T]

I've used Maildistiller as a low cost hosted mail filtering solution for many of my customers and found them to be very good.

http://www.maildistiller.com/

 

[howler]

You could also look at Mimecast, not sure what their costs are

Don't waste your time with Symantec Mail Security, it won't run on 64-bit servers with Exchange 2010 despite Symantec assuring you it will

 

[R.O.S.S.I]

Just as an update to this, we did end up opting for Symantec Mail Security (As we got it with a large charity discount).....it seems to do the job OK, but I'm thinking a web based service like SpamHero might be better as it would stop these emails even hitting our servers first.

The config and setup of SMS is a bit of a pita and it doesnt really learn anything about your mail system, you have to manually submit emails to Symantec which you want adding to their global database (of which I still haven't managed to set up properly).

Plus we are actually upgrading from Exchange 2007 to Exchange 2010 and if there are going to be foreseeable problems I may just use this as an opportunity to give SpamHero a try to see how it compares.

I'd rather just have something that runs in the background on its own with little config. The only issue is that with the nature of our business I'm worried banned words etc may get blocked even though they have a legitimate business use for us!

 

[Sir SpankalotUK]

using google postini service at work, £6 a user. Stops most stuff just like gmail.

 

[R.O.S.S.I]

We enquired about Postini but a Google rep said we couldnt have it because we didnt use Google Apps.

 

[Sir SpankalotUK]

you can use it separately, as the price for google apps + postini is more expensive. Just looked at it and its now £12 a user :S

just google "postini", the pricing is right there, rep didn't know what he was talkin about.

 

[Yamahahahahaha]

We enquired about Postini but a Google rep said we couldnt have it because we didnt use Google Apps.

That was the case when we looked at it too.

I'm glad they've opened it up, I shall be making some phonecalls this afternoon.

 

[nickcardwell]

We recently updated (or had to ) move away from email systems (pulling out of the market)
tested :
icritical
messagelabs
websense
postini

icritical was ok, screen bit basic, though let in more spam that email systems (spam to us, can be like newsletters from companies that you can unsubscribe) we didnt get them with email systems, nor wanted them , so its spam). A good few false positives.
icritical was cheap.

postini, thought it was awful, didnt like it at all. (perhaps its the way we work) , spam filter let in more than normal. (a lot more). Was the cheapest of the lot. High ratio of false positives.

Messagelabs, good , but expensive.

Websense is good, out of an average 25k emails , you may get 1 or 2 false positives.

We ended up going to websense, like messagelabs, but included items that messagelabs would charge.