We're using Roaring Penguin Can-it Pro. Love it. Does everything and then some. The guys know their stuff.. They wrote the MIMEDefang program - http://www.roaringpenguin.com/products/mimedefang - (open source) that most anti-spam products use now, as well as the rp-pppoe client for linux.
We moved to that from Postini. Randy Jason Hensley wrote: > Not cheap at all, but ModusMail does an outstanding job for us. Rock solid > and very effective. > > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Olufemi Adalemo > Sent: Tuesday, July 14, 2009 5:55 AM > To: 'WISPA General List' > Subject: Re: [WISPA] Re-evaluating our anti-spam solution > > I have rather different anti-spam requirements > For a while now I've been looking for a solution to stop users on a network > sending spam via web-based email like Hotmail, Gmail and Yahoo by scanning > the outgoing HTTP POST command on a proxy server based on Bayesian > statistics like Dansguardian which would have been great if it did POST > scanning, is there anything new out there that fits this description? > > Femi > > ________________________________________ > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Travis Johnson > Sent: 14 July 2009 05:40 > To: sarn...@info-ed.com; WISPA General List > Subject: Re: [WISPA] Re-evaluating our anti-spam solution > > The difference with Postini compared to an in-house box is Postini stops the > incoming SPAM before it uses any bandwidth on our backbone. Last time I > checked (over a year ago), it was saving us 3-4Mbps of traffic (24x7). I > would guess now it's closer to 7-10Mbps of incoming SPAM flow that never > makes it to our network. > > Postini also queues are mail if we ever have a major problem. We had our > email server have a controller failure about a year ago... while we were > fixing it and brining up a new box (4-5 hours), no email was lost or even > bounced because Positni had queued it all up (on 10,000+ email accounts). :) > > Travis > Microserv > > Scottie Arnett wrote: > Agreed! Been using Postfix since I told Postini to take a hike. They both > use a modified version of Postfix and related add-ons. You can make a spam > machine out of the cheapest hardware now. I have been doing this for over 3 > years and have a much better customer satisfaction. > > Scottie > > ---------- Original Message ---------------------------------- > From: Jeremy Parr <jeremyp...@gmail.com> > Reply-To: WISPA General List <wireless@wispa.org> > Date: Mon, 13 Jul 2009 20:25:16 -0400 > > > 2009/7/13 Don Grossman <d...@willitsonline.com>: > > It seems time to take a look at our anti-spam solution. Currently we > are looking to replace out Barracuda due to ongoing issues with the > box that after several attempts to work with Barracuda can not be > resolved. Barracuda is helpful but like to point at other things like > DNS and unrelated stuff. In the end they log into the box after > wasting time so something to kick the box and we are good for an > undetermined amount of time. > > The Barracuda gives us a few features that we like such as an in house > box that we are not paying per email address or domain. Also the per > user configurability is great for letting users independently control > their white and blacklists. > > In a nutshell what products should we look at that offer us similar > features as the Barracuda box. > > You can roll your own with Postfix and a few addons. After looking at > the configuration options for a lot of the Postfix addons, you come to > the realization that with a few hours of work, you can have all of the > software tools used by the Barracuda internally, and have root access > to the box to fix it yourself when it goes south, instead of waiting > on them. You can also throw in things like redundant hard drives, and > redundant power. How a company can market a $3k+ device with a single > IDE drive in good conscience is beyond me. > > I can't find the link right now, but there is a package that provides > users with an accessible, configurable quarantine, just like the > Barracuda. I'll post the link as soon as it turns up. > > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ---------------------------------------------------------------------------- > ---- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > --- > [This E-mail scanned for viruses by Declude Virus] > > > > > > Wireless High Speed Broadband service from Info-Ed, Inc. as low as > $30.00/mth. > Check out www.info-ed.com/wireless.html for information. > > > ---------------------------------------------------------------------------- > ---- > WISPA Wants You! 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