On Tue, 2003-08-12 at 20:07, Bob Apthorpe wrote: > On Tue, 12 Aug 2003, Scott Fraser wrote: > > > Good Morning Folks, > > Well, after fighting with it longer than I care to admit, I do believe > > I now have a working Postfix/SpamAssassin/Amavisd system. What I am > > trying to do now, is configure the system wide (and eventually on a per > > user basis) a way to bounce mail. Currently email that is spam is just > > flagged. Our president wants to bounce it. > > Has someone explained to him what a horrible idea this is? Spam is usually > forged to look like it came from a non-existant or innocent address and > bouncing the spam just adds to network burden and implicit > denial-of-service attacks on those whose addresses are forged into the > mail. > > Want samples? I've got a pile of bounces from broken mail systems > resulting from spammers forging my address into their spew. Twice in three > weeks. Please reconsider becoming part of the problem.
Not to mention that you may be bouncing the spam to another of your users. I'm seeing a lot of spam on one of my customers' servers where the from address is forged as another user at that domain, its a deliberate tactic designed to exploit the system you propose. forged from [EMAIL PROTECTED] to [EMAIL PROTECTED] forged from [EMAIL PROTECTED] to [EMAIL PROTECTED] ... forged from [EMAIL PROTECTED] to [EMAIL PROTECTED] -- Yorkshire Dave -- Scanned by MailScanner at wot.no-ip.com ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ Spamassassin-talk mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/spamassassin-talk
