hello all, We're suddenly getting HUGE numbers of unknown user in local recipient table incoming email. There's so much of it, from all different IPs, that local, legitimate users are having trouble sending email out since postfix is trying to process the incoming unknown user email and so email clients trying to send mail (outlook, eudora, etc) are timing out.
is anyone seeing anything like this on their servers? how do i mitigate? we're working on some software that will tail -f the logs and temporarily block (with iptables rules) incoming SMTP requests from IPs that do this. i'd rather use a built-in postfix, ahh, fix for this though if there is one. thanks for any pointers. tiger -- Gerald Timothy Quimpo [EMAIL PROTECTED] [EMAIL PROTECTED] http://bopolissimus.sni.ph Public Key: "gpg --keyserver pgp.mit.edu --recv-keys 672F4C78" malapit na ang september It is easier to get forgiveness than permission. -- Stewart's Law of Retroaction. -- Philippine Linux Users' Group (PLUG) Mailing List [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
