Am 23.04.2012 06:50, schrieb Olivier Pavilla: > Hi everyone. > > For several months my smtp is harassing by someone located in Taiwan. > This people is using any taiwanese IP. > My logs are ful with this something like this: > > Apr 23 06:35:31 corellia postfix/smtpd[26906]: NOQUEUE: reject: RCPT > from unknown[113.116.186.27]: 554 5.7.1 <wa...@163.com>: Recipient > address rejected: Relay access denied; from=<p...@dumpsize.com> > to=<wa...@163.com> proto=ESMTP helo=<zyh-4b482e797ce> > Apr 23 06:35:31 corellia postfix/smtpd[26906]: warning: restriction > `reject_unauth_destination' after `check_relay_domains' is ignored > > At least blocking all of Taiwanese IPs. Does anyone has idea to counter > strike this people? > > -- > Olivier Pavilla > http://www.linux-squad.com > "Les fautes d'orthographes de mes propos sont sous licence Ane bâté 1.0" >
do more log analysis, to find the best way to fight them, ask again then, cause there are many of chances , but you should choose the one that best fit in this/your case meanwhile use of spamhouse rbl and/or greylist may a quick workaround post more logs/config at last what is this? reject_unauth_destination' after `check_relay_domains' is ignored -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria