Pierre Fortin said: > 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
Wow! Remind me not to spam you! :) Seriously though, thank you for that; I'm going to check out your postfix site tonight. I'm running postfix now, but I haven't really dug through the possible tweaks. Thanks again, Mike -- Michael Holt Snohomish, WA (o_ [EMAIL PROTECTED] (o_ (o_ //\ www.holt-tech.net (/)_ (/)_ V_/_ www.mandrake.com ============================================================< A cynic is a person searching for an honest man, with a stolen lantern. -- Edgar A. Shoaff
Want to buy your Pack or Services from MandrakeSoft? Go to http://www.mandrakestore.com
