By using the content filtering and message ratings we have been able to eliminate about 95% of the spam we were receiving. Especially all the porno spam. It sits on our VALinux gateway and is doing a great job. Go to http://www.roaringpenguin.com to read about it. Subject: RE: SMTP mail relay server for SPAM filtering From: Craig White To: plug-discuss@lists.plug.phoenix.az.us Date: 20 Jun 2002 09:55:32 -0700 Reply-To: plug-discuss@lists.plug.phoenix.az.us what's mime-defang have to do with spam? Craig On Thu, 2002-06-20 at 09:37, Tom Achtenberg wrote: > We are using MimeDefang very successfully. > > -------------------original message------------------------- > > Date: Thu, 20 Jun 2002 04:03:49 -0400 (EDT) > From: Scott Henderson > To: plug-discuss@lists.plug.phoenix.az.us > Subject: SMTP mail relay server for SPAM filtering > Reply-To: plug-discuss@lists.plug.phoenix.az.us > > My company, like many, I'm sure, is wrestling with spam email. > Currently we're handling it manually, creating blocks on our > Exchange server based on IP addresses. We are not being given > any budget to solve this problem, but we do have a few spare > servers sitting around. I'm thinking this may be an opportunity > to show the MS-based IT Dept what can be done with some Open > Source software. I'd like suggestions on how to set up an SMTP > mail relay box and anti-spam software. I have a year or so > experience with a few Linux distros on my desktop and laptop at > home, so I'm no wizard, but I can usually find my way around. > Is this doable? We average around 6-700 SMTP emails per hour > during the day, and spike to maybe 1500 on occasion. I want to > set the box up inside the DMZ, in front of the Exchange server, > and just have it relay to and from that box. What distro? What > software? How to config? Any HOWTOs on this or other resources? > Thanks much! > --__--__--