Hi , since days i have a lot of lost connection after STARTTLS log entires, ips looks like a botnet i.e
---snip Dec 7 19:36:22 mail01 postfix/smtpd[32324]: lost connection after STARTTLS from ip-77-221-82-102.kava.lt[77.221.82.102] Dec 7 19:36:32 mail01 postfix/smtpd[2243]: lost connection after STARTTLS from 89-73-25-87.dynamic.chello.pl[89.73.25.87] Dec 7 19:36:36 mail02 postfix/smtpd[10130]: lost connection after STARTTLS from unknown[95.76.0.194] Dec 7 19:37:04 mail02 postfix/smtpd[8299]: lost connection after STARTTLS from 89-43-126-236.static.platiniumtv.ro[89.43.126.236] Dec 7 19:37:19 mail01 postfix/smtpd[26783]: lost connection after STARTTLS from unknown[87.111.5.17] Dec 7 19:37:37 mail02 postfix/smtpd[9082]: lost connection after STARTTLS from cpe-76-181-225-255.columbus.res.rr.com[76.181.225.255] Dec 7 19:38:17 mail01 postfix/smtpd[31724]: lost connection after STARTTLS from unknown[188.241.136.47] Dec 7 19:38:34 mail01 postfix/smtpd[32324]: lost connection after STARTTLS from unknown[178.151.96.138] Dec 7 19:38:48 mail02 postfix/smtpd[8315]: lost connection after STARTTLS from unknown[89.228.126.51] Dec 7 19:40:03 mail01 postfix/smtpd[15171]: lost connection after STARTTLS from c-67-177-139-18.hsd1.mi.comcast.net[67.177.139.18] Dec 7 19:40:35 mail01 postfix/smtpd[15819]: lost connection after STARTTLS from c-67-187-73-3.hsd1.tn.comcast.net[67.187.73.3] Dec 7 19:40:35 mail02 postfix/smtpd[8299]: lost connection after STARTTLS from unknown[186.35.25.33] Dec 7 19:41:00 mail01 postfix/smtpd[15938]: lost connection after STARTTLS from unknown[95.77.128.52] Dec 7 19:41:34 mail02 postfix/smtpd[8315]: lost connection after STARTTLS from host-111-184-248-207.dynamic.kbtelecom.net[111.184.248.207] Dec 7 19:42:26 mail01 postfix/smtpd[15819]: lost connection after STARTTLS from 50-88-202-155.res.bhn.net[50.88.202.155] Dec 7 19:43:03 mail01 postfix/smtpd[15938]: lost connection after STARTTLS from unknown[24.96.7.232] --snipend anyone else with this ? what might best to do , configure postscreen etc ? Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich
