Anti-Spam solution

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Spam
Which one is better in message gateway solution ? IronPort or barracuda ?

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We only recommend CipherTrust’s IronMail solutions for email gateways. They are used by more than 30% of the Fortune 100. They recently released a version of their IronMail product for companies with as few as 100 employees (IronMail S-class).

IronMail is an appliance with award-winning anti-spam, anti-virus, policy enforcement and secure e-mail gateway capabilities, ensuring the integrity of all e-mail communication. IronMail’s Spam Profiler differentiates it from the competition by using hundreds of spam detection techniques all optimized based on a proprietary genetic optimization process.

The the IronMail S-class features CipherTrust Zero-Day Virus protection, which detects and blocks virus outbreaks in real-time at the gateway -the S-class scans and detects known and unknown viruses in both inbound and outbound messages.

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  • Aclark
    You may want to have a read of the June eweek review of three of the main gateways: http://www.ciphertrust.com/files/pdf/reviews/eweek_review_062004.pdf?sp=1&cs=18 It's on the Ciphertrust site since they did well and have archived a copy. But BorderWare's MXTreme did well too and I think it has a better chance at handling the spam using Brightmail as the AntiSpam engine. They also have a plug-in for Domino and Exchange to make reporting/managing spam that arrives at the Inbox. IronMail can probably catch 80% of spam with little/no tuning but newsletters tend to be classed as spam quite often making false positives a bigger issue than they advertise. Also if the message has malformed MIME content it can often get through IronMail's antispam and antivirus checking leaving your layer 2 or 3 A/V solutions to detect the virus. It doesn't handle non-English spam or allow you to block anything such as spam with a Russian subject. A release early 2005 is supposed to address that. All these appliances act as a gateway and sit on the Internet or just behind your first firewall as the first hop for your email into your enterprise. Your server behind this appliance doesn't matter too much as long as you don't allow SMTP mail to bypass this gateway.
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  • Phigmentb
    We looked at a number of Anti-SPAM/Anti-Virus solutions this past summer, including IronPort, but we felt that they we're just too top end to even be considered. If you aren't processing 100K emails an hour, I would suggest you take a look at Proofpoint's solution. For about half the cost of a single IronPort box, we purchased 2 ProofPoint Protection Server appliances to act as our SMTP gateways. We are currently processing approximately 1.25 million emails a month and have had no performance issues. In addition and probably more important to us, the support we have received from Proofpoint was top notch. We are at about 78% SPAM for the email being processed and have had very few false negatives get through. And as far as I know, we have had no reports of any false positives that have been blocked. *knock on wood* I would highy suggest you check out their solution at http://www.proofpoint.com and see if it just might meet your needs. Sean---
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  • Dcheng
    I have not looked into IronMail or ProofPoint but Barracuda Networks SPAM firewall is attractively priced compaired to other SPAM gateway devices. It's basically a custized SPAMAssasin engine running on some flavor of Linux. For the price it's very effective and is blocking about 80%-90% of all SPAM. Administration is not for the faint of heart and documentation does not reflect the changes to the newest version.
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  • Glennp7777
    I know a fellow admin who acquired a Barracuda recently and is quite happy with it. I have seen the interface and was quite impressed myself. If you don't need anything super high -end, consider that option. Also, if you are Linux savvy and want a truly configurable option, look into Linux + Sendmail + MailSCanner + SpamAssassin. There are lots of additional plugins available with SpamAssassin. This setup is inexpensive and ultra-flexible; you don't have the recurring support charges as you would on an appliance. However, the learning curve may be a bit much.
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  • Seventeenli
    Hi All, Thank for your information ! In fact, Anti-spoofing is one most important factor in our consideration. Also accuracy is another. I'm testing the IronPort but found that the reporting is so fair which can't identify the kind of attack !!
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  • EricHarris
    To throw something else into the mix, my company recently started using Frontbridge to outsource the spam scanning. No hardware costs, very little administration, easy setup and excellent results. The cost is very reasonable considering the savings elsewhere in internal bandwidth that can be used for other things, far less user frustration, short learning curve, ease of use, etc, etc. Because many spammers ignore MX records and go straight to corporate e-mail gateways, the best results are obtained by creating a rule such that your gateway will only accept SMTP mail from Frontbridge. Any legitmate mailer will let their mail go through Frontbridge, so anything else can be simply discarded. They also scan for viruses with at least 4 separate virus engines. Trend Micro, Symantec and Sophos are the three primaries with a fourth randomly chosen from a pool of four others, such as McAfee. They have agreements with all the AV vendors such that they get immediate updates of all virus definitions as they are released. Worth a look.
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  • Jhomamah
    I use iHateSpam Server by Sunbelt which is a very affordable alternative but I think they all do the same basic things. The important part is to take it a step past than the default filters. Try refining the customizable filter options with keywords and known "whitelist" domains. Tighten the list a little more each day and get participation from as many users as possible in updating known good sources. This has been remarkably effective for our 40+ Exchange users.
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