Port scanning/probing, times are CET
Jan 15 10:58:27 mail postfix/smtpd: lost connection after EHLO ...
show morePort scanning/probing, times are CET
Jan 15 10:58:27 mail postfix/smtpd: lost connection after EHLO from ec2-52-12-200-67.us-west-2.compute.amazonaws.com[52.12.200.67]
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Port probing/scanning, times are CET
Jan 14 08:21:11 mail postfix/submission/smtpd: lost connection ...
show morePort probing/scanning, times are CET
Jan 14 08:21:11 mail postfix/submission/smtpd: lost connection after EHLO from ec2-44-251-239-167.us-west-2.compute.amazonaws.com[44.251.239.167]
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Too many TLS/SSL failures, times are CET
Dec 4 03:45:51 postfix/submission/smtpd: SSL_accept error ...
show moreToo many TLS/SSL failures, times are CET
Dec 4 03:45:51 postfix/submission/smtpd: SSL_accept error from vmi2916086.contaboserver.net[62.84.190.208]: -1
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Unexpected connection, times are CET
Nov 29 19:35:43 postfix/submission/smtpd: lost connection afte ...
show moreUnexpected connection, times are CET
Nov 29 19:35:43 postfix/submission/smtpd: lost connection after EHLO from ec2-54-244-99-140.us-west-2.compute.amazonaws.com[54.244.99.140]
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Nov 20 17:54:31 postfix/submission/smtpd: lost connection after EHLO from ec2-16-144-228-74.us-west- ...
show moreNov 20 17:54:31 postfix/submission/smtpd: lost connection after EHLO from ec2-16-144-228-74.us-west-2.compute.amazonaws.com[16.144.228.74]
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Port scan/intrusion attempt, timezone is CET
Nov 18 08:46:27 mail postfix/submission/smtpd: disconn ...
show morePort scan/intrusion attempt, timezone is CET
Nov 18 08:46:27 mail postfix/submission/smtpd: disconnect from ec2-18-191-0-209.us-east-2.compute.amazonaws.com[18.191.0.209] ehlo=1 auth=0/1 quit=1 commands=2/3
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Feb 27 02:23:24 postfix/submission/smtpd: lost connection after CONNECT from 31-14-99-152.colo.trans ...
show moreFeb 27 02:23:24 postfix/submission/smtpd: lost connection after CONNECT from 31-14-99-152.colo.transip.net[31.14.99.152]
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Unauthorized access
Feb 25 17:34:25 postfix/submission/smtpd: lost connection after CONNECT from un ...
show moreUnauthorized access
Feb 25 17:34:25 postfix/submission/smtpd: lost connection after CONNECT from unknown[37.80.167.182]
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Unauthorized access
Feb 25 17:29:11 postfix/submission/smtpd: lost connection after CONNECT from un ...
show moreUnauthorized access
Feb 25 17:29:11 postfix/submission/smtpd: lost connection after CONNECT from unknown[188.190.180.55]
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Unauthorized access
Feb 24 17:04:30 postfix/submission/smtpd: warning: 053d9be8.dynamic.tele-ag.de[ ...
show moreUnauthorized access
Feb 24 17:04:30 postfix/submission/smtpd: warning: 053d9be8.dynamic.tele-ag.de[5.61.155.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Feb 22 08:36:21 postfix/submission/smtpd: warning: vmi2453768.contaboserver.net[161.97.179.188]: SAS ...
show moreFeb 22 08:36:21 postfix/submission/smtpd: warning: vmi2453768.contaboserver.net[161.97.179.188]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Feb 21 04:46:32 postfix/submission/smtpd: SSL_accept error from vmi467567.contaboserver.net[207.180. ...
show moreFeb 21 04:46:32 postfix/submission/smtpd: SSL_accept error from vmi467567.contaboserver.net[207.180.213.45]: lost connection
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I have no idea what is this. Port probe?
Feb 13 21:51:51 postfix/smtpd: disconnect from mte1.portug ...
show moreI have no idea what is this. Port probe?
Feb 13 21:51:51 postfix/smtpd: disconnect from mte1.portugalskepotraviny.cz[195.201.140.92] commands=0/0
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Unauthorized access
Feb 13 14:19:17 postfix/submission/smtpd: warning: 62.174.139.16.static.user.on ...
show moreUnauthorized access
Feb 13 14:19:17 postfix/submission/smtpd: warning: 62.174.139.16.static.user.ono.com[62.174.139.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Feb 13 05:39:54 postfix/submission/smtpd: lost connection after EHLO from ec2-13-56-233-188.us-west- ...
show moreFeb 13 05:39:54 postfix/submission/smtpd: lost connection after EHLO from ec2-13-56-233-188.us-west-1.compute.amazonaws.com[13.56.233.188]
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Feb 13 02:21:28 postfix/smtpd: lost connection after EHLO from ec2-35-91-217-44.us-west-2.compute.am ...
show moreFeb 13 02:21:28 postfix/smtpd: lost connection after EHLO from ec2-35-91-217-44.us-west-2.compute.amazonaws.com[35.91.217.44]
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Feb 12 14:15:21 postfix/submission/smtpd: SSL_accept error from unknown[71.19.82.46]: lost connectio ...
show moreFeb 12 14:15:21 postfix/submission/smtpd: SSL_accept error from unknown[71.19.82.46]: lost connection
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Feb 12 02:33:59 postfix/submission/smtpd: SSL_accept error from unknown[40.131.135.251]: lost connec ...
show moreFeb 12 02:33:59 postfix/submission/smtpd: SSL_accept error from unknown[40.131.135.251]: lost connection
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