Gordon Messmer wrote: >> >> Ok. I'll ask from another side. >> Can I configure Courier not to tell me about the wrong addresses? Even if >> my >> mail client very bad? > > Yes, it can, but not selectively. That is, if you want courier to be > quiet about bad addresses, and bounce them, it will behave that way for > your users and also for the internet at large. What will then happen is > spammers will attempt dictionary attacks against your mail server to get > valid addresses, and will generate all positives. They'll then send > huge volumes of spam to your server, which courier would accept and then > try to bounce. The spam would have a bad return address, and then sit > undeliverable in your mail queue for a very long time before bouncing to > the postmaster. > > The end result is that you can't read postmaster mail because there are > too many messages, and you can't determine whether or not there's any > valid problems with your mail server. The problem increases until your > mail queue is full of thousands of messages which can't be delivered, > and legitimate service degrades until it's not usable any more. > > Don't go down that road. It sucks.
Ok, thank you very much! I understand now. Anton. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
