Did you try postscreen_blacklist_action (http://www.postfix.org/postconf.5.html#postscreen_blacklist_action)
Default is "ignore" Willi Am 20.03.2016 um 20:10 schrieb @lbutlr: > On Sun Mar 20 2016 12:59:08 @lbutlr <[email protected]> said: >> >> Mar 20 12:55:37 mail postfix/postscreen[29826]: BLACKLISTED >> [185.103.253.246]:50804 > > Stopped postfix and removed the post screen_cache file and restarted postfix. > > Mar 20 13:03:59 mail postfix/postscreen[30633]: BLACKLISTED > [185.103.253.246]:51950 > Mar 20 13:03:59 mail postfix/dnsblog[30638]: addr 185.103.253.246 listed by > domain dnsbl-2.uceprotect.net as 127.0.0.2 > Mar 20 13:04:03 mail postfix/postscreen[30633]: PASS NEW > [185.103.253.246]:51950 > Mar 20 13:04:03 mail postfix/smtpd[30660]: connect from > unknown[185.103.253.246] > > And then > > Mar 20 13:04:35 mail postfix/smtpd[30660]: warning: unknown[185.103.253.246]: > SASL LOGIN authentication failed: UGFzc3dvcmQ6 > Mar 20 13:04:35 mail postfix/smtpd[30660]: lost connection after AUTH from > unknown[185.103.253.246] > Mar 20 13:04:35 mail postfix/smtpd[30660]: disconnect from > unknown[185.103.253.246] ehlo=1 auth=0/1 commands=1/2 > Mar 20 13:04:38 mail postfix/postscreen[30633]: CONNECT from > [185.103.253.246]:55822 to [65.121.55.42]:25 > Mar 20 13:04:38 mail postfix/postscreen[30633]: BLACKLISTED > [185.103.253.246]:55822 > Mar 20 13:04:38 mail postfix/postscreen[30633]: PASS OLD > [185.103.253.246]:55822 > Mar 20 13:04:48 mail postfix/smtpd[30702]: warning: unknown[185.103.253.246]: > SASL LOGIN authentication failed: UGFzc3dvcmQ6 > Mar 20 13:04:48 mail postfix/smtpd[30702]: lost connection after AUTH from > unknown[185.103.253.246] > Mar 20 13:04:48 mail postfix/smtpd[30702]: disconnect from > unknown[185.103.253.246] ehlo=1 auth=0/1 commands=½ > > So, no matter what I try to do, the IP comes back and is added to post > screen_cache and is handed off to smtpd. All I seem to have accomplished is > adding one more log line to the process that is currently hitting every 13-35 > seconds. > > $ postconf -d mail_version > mail_version = 3.0.3 >
