We're using a mix of ClamAV, and SpamAssassin for the most part. A good friend / ex-employee set ours up and it just runs. (Very well I might add) I also have (5) RBL list / blocks using our SonicWall at the Edge. The SonicWall alone blocks over 2 million a Month. Good solutions, in my opinion, but we still get some Spam coming through. But on the other hand, we haven't had a single complaint about losing / blocking good Email either.
-Gary- ----- Original Message ----- From: "Chuck Hogg" <ch...@shelbybb.com> To: "WISPA General List" <wireless@wispa.org> Sent: Wednesday, March 24, 2010 6:54 PM Subject: Re: [WISPA] [Motorola II] OT: Barracuda Updates? I've seen some ISPs that block the initial connection from an IP address. Once they reconnect on the second time in X minutes, they are added to an address list of allowed SMTP servers. Typically, the spam bots kill the message once it has to reconnect is the reasoning...while I am not sure that this works that well. Regards, Chuck Hogg Shelby Broadband 502-722-9292 ch...@shelbybb.com http://www.shelbybb.com -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Justin Wilson Sent: Wednesday, March 24, 2010 6:51 PM To: WISPA General List Subject: Re: [WISPA] [Motorola II] OT: Barracuda Updates? The big thing about any spam solution is the ability to ³learn². Everynight we have SpamAssassin go out and download new rules from a couple of different sites. Between this and the Amavis updates it keeps on top of things quite well. Plus we also have greylisting on the higher hit servers as well as IP blacklists of known spammers. Most of these are APNIC ips. What many people fail to do is make sure their secondary MX is just as good as filtering spam as the primary is. Another tactic is to have a Mikrotik with some rules that say if you receive X amount of connections from a single IP to your mail server(s) block that IP for X amount of minutes. Justin -- Justin Wilson <j...@mtin.net> http://www.mtin.net http://www.metrospan.net From: Chuck Hogg <ch...@shelbybb.com> Reply-To: WISPA General List <wireless@wispa.org> Date: Wed, 24 Mar 2010 18:36:39 -0400 To: WISPA General List <wireless@wispa.org> Subject: Re: [WISPA] [Motorola II] OT: Barracuda Updates? I'm using it on a few domains...and before I push it to the enterprise level, I just wanted to see how many others are using it. I know that Barracuda servers are essentially SpamAssasin, amavis/clamAV, with a new frontend and modifications to make it the more enterprise class server. Regards, Chuck Hogg Shelby Broadband 502-722-9292 ch...@shelbybb.com http://www.shelbybb.com -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Justin Wilson Sent: Wednesday, March 24, 2010 4:53 PM To: WISPA General List Subject: Re: [WISPA] [Motorola II] OT: Barracuda Updates? Chuck turned me on to PurpleHat a month of so ago. We are in the process of testing it on some domains. Most of the packages within it are ones that continually get updated. This might help: http://www.purplehat.org/?page_id=4 BTW: We are running it in a Virtual Machine and so far so good. -- Justin Wilson <j...@mtin.net> http://www.mtin.net http://www.metrospan.net From: "David E. Smith" <d...@mvn.net> Reply-To: WISPA General List <wireless@wispa.org> Date: Wed, 24 Mar 2010 13:54:40 -0500 To: WISPA General List <wireless@wispa.org> Subject: Re: [WISPA] [Motorola II] OT: Barracuda Updates? On Wed, Mar 24, 2010 at 13:50, Chuck Hogg <ch...@shelbybb.com> wrote: > While I still have my Barracuda device (600SPF), how many of you are doing > PurpleHat? http://www.purplehat.org Other than "a site that hasn't been updated in over a year," what am I looking for/at? David Smith MVN.net ------------------------------------------------------------------------ ---- ---- WISPA Wants You! 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