[swinog] Anti-virus solution for Linux mail server

2011-03-01 Diskussionsfäden Philip Iezzi
Hi there

We're a small Swiss hosting provider. Currently we host over 4000 IMAP mail 
accounts on Debian Linux mail servers 
(Postfix/Amavis/Spamassassin/ClamAV/Cyrus). As anti-virus solution we are using 
ClamAV over Amavis (amavisd-new) at the SMTP level.

We are looking for a more professional anti-virus solution and would like to 
add another anti-virus engine as primary scanner engine. Our favorite is 
Kaskpersky Anti-Virus for Mailservers but Kaskpersky does not seem to offer any 
affordable license that would match our business type (KAV for Linux Mail 
Server for 50(!!!) mail addresses: CHF 2043/year).
Their price model doesn't make any sense for our business. We are ready to pay 
up to CHF 1000/year for an anti-virus scan engine but not much more than that.
ClamAV is not too bad, but the reaction time upon new threats has always been a 
bit faster in commercial anti-virus solutions. I don't want to start a flame 
war about this, it's just my personal experience during the last couple of 
years.

What other solutions are small hosting providers using next to ClamAV? What are 
you using?

Thanks for your advice!
Regards, Philip

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Re: [swinog] Anti-virus solution for Linux mail server

2011-03-01 Diskussionsfäden Pim van Pelt
On Tue, Mar 1, 2011 at 5:34 PM, Philip Iezzi philip.ie...@datenpark.ch wrote:
 Hi there

 We're a small Swiss hosting provider. Currently we host over 4000 IMAP mail 
 accounts on Debian Linux mail servers 
 (Postfix/Amavis/Spamassassin/ClamAV/Cyrus). As anti-virus solution we are 
 using ClamAV over Amavis (amavisd-new) at the SMTP level.

 We are looking for a more professional anti-virus solution and would like to 
 add another anti-virus engine
At an ISP I used to work at (BIT in the Netherlands) we had four
scanners on every e-mail: clam, f-prot, sophos and mcafee. All of
these ran under Linux and from amavisd. After I left I think perhaps
that BIT dropped one or more of those, but in my experience there
really were (long tail) virusses that were caught by each engine
separately and uniquely so there was benefit to having more than one
scanner.

I don't know much about licensing costs, but would offer that this is
largely a game of 'being the persuasive customer' when it comes to
bulk licensing.

groet,
Pim
-- 
Pim van Pelt p...@ipng.nl
PBVP1-RIPE - http://www.ipng.nl/


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Re: [swinog] Anti-virus solution for Linux mail server

2011-03-01 Diskussionsfäden Mihai Tanasescu

On 3/1/11 6:57 PM, Pim van Pelt wrote:

On Tue, Mar 1, 2011 at 5:34 PM, Philip Iezziphilip.ie...@datenpark.ch  wrote:

Hi there

We're a small Swiss hosting provider. Currently we host over 4000 IMAP mail 
accounts on Debian Linux mail servers 
(Postfix/Amavis/Spamassassin/ClamAV/Cyrus). As anti-virus solution we are using 
ClamAV over Amavis (amavisd-new) at the SMTP level.

We are looking for a more professional anti-virus solution and would like to 
add another anti-virus engine

At an ISP I used to work at (BIT in the Netherlands) we had four
scanners on every e-mail: clam, f-prot, sophos and mcafee. All of
these ran under Linux and from amavisd. After I left I think perhaps
that BIT dropped one or more of those, but in my experience there
really were (long tail) virusses that were caught by each engine
separately and uniquely so there was benefit to having more than one
scanner.

I don't know much about licensing costs, but would offer that this is
largely a game of 'being the persuasive customer' when it comes to
bulk licensing.

groet,
Pim

I'm gonna add my 2 cents here also...
Why not try Bitdefender ?
Here (in Romania) companies which are mostly medium size are using it 
without major problems.
In the past some years ago there were implementation issues or processes 
hanging but I think it's quite stable at present.

Please don't start a flame on this :)
Also I don't know the pricing model and if it fits your budget.

Cheers,
Mihai


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Re: [swinog] Anti-virus solution for Linux mail server

2011-03-01 Diskussionsfäden Viktor Steinmann

On 01.03.2011 5:34, Philip Iezzi wrote:

What other solutions are small hosting providers using next to ClamAV? What are 
you using?


We're using Kaspersky on Linux. The scanning engine doesn't add much to 
the CPU load and it integrates into postfix like a charm. Actually, the 
setup script does it for you, no need to edit any configuration file 
manually ;-)


As for the licensing terms, talk to a sales guy. Sometimes you can make 
marketing-deals like putting the name of the anti-virus vendor into 
mail-footers and get a kick-back on the license fee etc.. Be creative 
and you'll get a good deal.


Kind regards,
Viktor


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