http://bugzilla.opensuse.org/show_bug.cgi?id=1036928 http://bugzilla.opensuse.org/show_bug.cgi?id=1036928#c3 --- Comment #3 from Miuku . <miukumac@outlook.com> --- I can confirm that the updated RegExp line from Github does indeed work properly: ==> mail <== 2017-04-30T15:00:35.792861+03:00 ext-gw postfix/smtpd[1159]: NOQUEUE: reject: RCPT from unknown[14.230.81.243]: 554 5.7.1 Service unavailable; Client host [14.230.81.243] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/14.230.81.243; from=<xxxREMOVEDxxx> to=<xxxREMOVEDxxx> proto=ESMTP helo=<static.vnpt.vn> ==> fail2ban.log <== 2017-04-30 15:00:36,504 fail2ban.actions [32042]: NOTICE [postfix-rbl] Ban 14.230.81.243 -- You are receiving this mail because: You are on the CC list for the bug.