Sep 11 09:32:12 ip-192-168-102-163 postfix/cleanup[8300]: 53212204D6: message-id=<20180911093212.53212204D6@ip-192-168-100-136>
Sep 11 09:32:12 ip-192-168-102-163 postfix/bounce[8303]: C5009204D2: sender non-delivery notification: 53212204D6
Sep 11 09:32:12 ip-192-168-102-163 postfix/qmgr[1316]: 53212204D6: from=<>, size=12132, nrcpt=1 (queue active)
Sep 11 09:32:12 ip-192-168-102-163 postfix/qmgr[1316]: C5009204D2: removed
Sep 11 09:32:12 ip-192-168-102-163 postfix/smtp[8302]: 53212204D6: to=<bluecom@ip-192-168-100-136.osim.com.cn>, relay=smtp-ent.21cn.com[121.14.129.72]:25, delay=0.29, delays=0/0/0.25/0.03, dsn=5.0.0, status=bounced (host smtp-ent.21cn.com[121.14.129.72] said: 501 Syntax: MAIL FROM: <address> (in reply to MAIL FROM command))
Sep 11 09:32:12 ip-192-168-102-163 postfix/qmgr[1316]: 53212204D6: removed
Sep 11 09:41:53 ip-192-168-102-163 postfix/pickup[8008]: 1C83C204D2: uid=500 from=<bluecom>
Sep 11 09:41:53 ip-192-168-102-163 postfix/cleanup[8640]: 1C83C204D2: message-id=<20180911094153.1C83C204D2@ip-192-168-100-136>

Sep 11 09:41:54 ip-192-168-102-163 postfix/bounce[8645]: 1C83C204D2: sender non-delivery notification: B0CD2204D6
Sep 11 09:41:54 ip-192-168-102-163 postfix/qmgr[1316]: B0CD2204D6: from=<>, size=12139, nrcpt=1 (queue active)
Sep 11 09:41:54 ip-192-168-102-163 postfix/qmgr[1316]: 1C83C204D2: removed
Sep 11 09:41:55 ip-192-168-102-163 postfix/smtp[8642]: B0CD2204D6: to=<bluecom@ip-192-168-100-136.osim.com.cn>, relay=smtp-ent.21cn.com[121.14.129.72]:25, delay=0.29, delays=0/0/0.25/0.03, dsn=5.0.0, status=bounced (host smtp-ent.21cn.com[121.14.129.72] said: 501 Syntax: MAIL FROM: <address> (in reply to MAIL FROM command))
Sep 11 09:41:55 ip-192-168-102-163 postfix/qmgr[1316]: B0CD2204D6: removed
Sep 11 10:09:49 ip-192-168-102-163 postfix/smtpd[9641]: connect from unknown[206.189.4.62]
Sep 11 10:09:50 ip-192-168-102-163 postfix/smtpd[9641]: lost connection after EHLO from unknown[206.189.4.62]
Sep 11 10:09:50 ip-192-168-102-163 postfix/smtpd[9641]: disconnect from unknown[206.189.4.62]
Sep 11 10:13:10 ip-192-168-102-163 postfix/anvil[9643]: statistics: max connection rate 1/60s for (smtp:206.189.4.62) at Sep 11 10:09:49
Sep 11 10:13:10 ip-192-168-102-163 postfix/anvil[9643]: statistics: max connection count 1 for (smtp:206.189.4.62) at Sep 11 10:09:49
Sep 11 10:13:10 ip-192-168-102-163 postfix/anvil[9643]: statistics: max cache size 1 at Sep 11 10:09:49
Sep 11 10:44:15 ip-192-168-102-163 postfix/pickup[8008]: 5957D204D2: uid=500 from=<bluecom>
Sep 11 10:44:15 ip-192-168-102-163 postfix/cleanup[10825]: 5957D204D2: message-id=<20180911104415.5957D204D2@ip-192-168-100-136>

Sep 11 10:44:17 ip-192-168-102-163 postfix/smtp[10827]: 86D42204D6: to=<bluecom@ip-192-168-100-136.osim.com.cn>, relay=smtp-ent.21cn.com[121.14.129.71]:25, delay=0.31, delays=0/0/0.27/0.04, dsn=5.0.0, status=bounced (host smtp-ent.21cn.com[121.14.129.71] said: 501 Syntax: MAIL FROM: <address> (in reply to MAIL FROM command))
Sep 11 10:44:17 ip-192-168-102-163 postfix/qmgr[1316]: 86D42204D6: removed
Sep 11 11:05:42 ip-192-168-102-163 postfix/smtpd[11584]: connect from unknown[206.189.4.62]
Sep 11 11:05:42 ip-192-168-102-163 postfix/smtpd[11584]: lost connection after EHLO from unknown[206.189.4.62]
Sep 11 11:05:42 ip-192-168-102-163 postfix/smtpd[11584]: disconnect from unknown[206.189.4.62]
Sep 11 11:09:02 ip-192-168-102-163 postfix/anvil[11586]: statistics: max connection rate 1/60s for (smtp:206.189.4.62) at Sep 11 11:05:42
Sep 11 11:09:02 ip-192-168-102-163 postfix/anvil[11586]: statistics: max connection count 1 for (smtp:206.189.4.62) at Sep 11 11:05:42
Sep 11 11:09:02 ip-192-168-102-163 postfix/anvil[11586]: statistics: max cache size 1 at Sep 11 11:05:42
Sep 11 11:18:23 ip-192-168-102-163 postfix/pickup[11484]: 1BC65204D2: uid=500 from=<bluecom>
Sep 11 11:18:23 ip-192-168-102-163 postfix/cleanup[12044]: 1BC65204D2: message-id=<20180911111823.1BC65204D2@ip-192-168-100-136>

Sep 11 11:33:08 ip-192-168-102-163 postfix/pickup[11484]: 4293C204D2: uid=500 from=<bluecom>
Sep 11 11:33:08 ip-192-168-102-163 postfix/cleanup[12560]: 4293C204D2: message-id=<20180911113308.4293C204D2@ip-192-168-100-136>
Sep 11 11:33:08 ip-192-168-102-163 postfix/qmgr[1316]: 4293C204D2: from=<bluecom@ip-192-168-100-136.osim.com.cn>, size=10099, nrcpt=1 (queue active)
Sep 11 11:33:16 ip-192-168-102-163 postfix/smtp[12562]: 4293C204D2: to=<2297994115@qq.com>, relay=smtp-ent.21cn.com[121.14.129.72]:25, delay=8, delays=0.01/0/1.9/6.1, dsn=5.0.0, status=bounced (host smtp-ent.21cn.com[121.14.129.72] said: 535 authentication failed,error code[550 domain not found] (in reply to MAIL FROM command))
Sep 11 11:33:16 ip-192-168-102-163 postfix/cleanup[12560]: 44952204D6: message-id=<20180911113316.44952204D6@ip-192-168-100-136>
Sep 11 11:33:16 ip-192-168-102-163 postfix/bounce[12563]: 4293C204D2: sender non-delivery notification: 44952204D6
Sep 11 11:33:16 ip-192-168-102-163 postfix/qmgr[1316]: 44952204D6: from=<>, size=12102, nrcpt=1 (queue active)
Sep 11 11:33:16 ip-192-168-102-163 postfix/qmgr[1316]: 4293C204D2: removed
Sep 11 11:33:46 ip-192-168-102-163 postfix/smtp[12562]: connect to smtp-ent.21cn.com[121.14.129.71]:25: Connection timed out
Sep 11 11:34:16 ip-192-168-102-163 postfix/smtp[12562]: connect to smtp-ent.21cn.com[121.14.129.72]:25: Connection timed out
Sep 11 11:34:16 ip-192-168-102-163 postfix/smtp[12562]: 44952204D6: to=<bluecom@ip-192-168-100-136.osim.com.cn>, relay=none, delay=60, delays=0/0/60/0, dsn=4.4.1, status=deferred (connect to smtp-ent.21cn.com[121.14.129.72]:25: Connection timed out)