On Thu, 2 Oct 2003 11:30:50 -0700 (PDT) [EMAIL PROTECTED] wrote: > Hey all, > I want to be able to setup an email 'bounce' from my server.
If you just want to stop spam and other undesirable junk, I find postfix does an admirable job. For those obstinate sites that won't quit, they get blocked by iptables.. > I want it on the server because I don't even want it to hit my > mailbox. My postfix is setup to report delivery failures -- because that's the way I prefer it; but lately, even those have dropped to none in the past 48 hours or so... even the Mdk list server that was causing me (you too?) grief is finally quiet. > I'm not sure if this is procmail or spamassassin or some other > program. I've read some on procmail, but that seems to work on an > individual basis. Never bothered with those. > I want to be able to filter some domains > globally and maybe still have the custom message. I like the > bounce idea because if it's spam, I'm hoping that I can spam them > back :) Not that simple... the best approach is to NOT bounce generally -- otherwise you just confirm your e-mal address for the offenders. Sometimes, there is a domain that goes nuts attempting to deliver mail from non-rDNS servers (refused by my postfix) -- in one case, I researched the domain, and warned the owner that I would start bouncing the delivery failures to him as the domain contact... got "it's not me" denials; but when the bounces arrived in his mailbox, it was amazing how quickly the attempts stopped.... we exchanged a couple of more mails where he still claimed it wasn't him -- I replied that while I couldn't conclusively say the attempts were from his domain, the fact that they stopped immediately (and haven't resumed) was only circumstantial evidence, yet good enough.. :^) Oh... there is the odd "test" every 1-2 months; but my bounce logic is permanent for this one... Some of my efforts are documented at http://pfortin.com/Linux/PostFix/ I should point out that I only use postfix and sylpheed-claws. Postfix handles the rejections, and sylpheed-claws handles the bounces and only as I direct in the filtering rules. Mdk was the recipient of my latest volley -- this finally got their attention and while nothing was "fixed", it still stopped after Mdk contacted their ISP about lost-oasis.net showing up as the hostname for that server. HTH
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