Sam Varshavchik wrote: > > Set up a subdomain zone in one of your domains, and use the script to > populate the zone file, then set up Courier to use it as a DNS blacklist.
Fine. (Some suggest sub-subdomains, as backscatter.dnsbl.example.com.) Q: is it publicly accessible, and mentioned in the site's policy? > You'll have to invest some time until your list grows to an effective > size. My blacklist runs to a couple of thousand IP addresses, and I > barely notice the crap. Of course, you understand that you'll block all > mail from the backscatter sources, Wouldn't it be enough to block empty envelope senders? > but from my viewpoint it's not > something that I need to worry about. When someone complains I tell them > that their mail server is broken, why it's broken, and write me back > when they fix it. Shift the burden on them to fix their broken mail server. Your strategy apparently assumes such broken servers are a minority. Is that true? I.e. does your list tend to some stable size or just grows proportionally to spam tides? ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
