The following Brute force abuse incident from 139.59.18.95 was logged at 2020-02-13 22:28:33:

Feb 13 22:28:33 mailman postfix/smtpd[20105]: warning: unknown[139.59.18.95]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 159.65.152.51 was logged at 2020-02-09 02:16:04:

Feb  9 02:16:04 mailman postfix/smtpd[3319]: warning: unknown[159.65.152.51]:
SASL PLAIN authentication failed: authentication failure

The following Brute force abuse incident from 192.241.166.140 was logged at 2020-02-08 12:39:10:

Feb  8 12:39:10 mailman postfix/smtpd[23688]: warning: unknown[192.241.166.140]:
SASL PLAIN authentication failed: authentication failure

The following Brute force abuse incident from 159.65.152.51 was logged at 2020-01-30 21:31:11:

Jan 30 21:31:11 mailman postfix/smtpd[25112]: warning: unknown[159.65.152.51]:
SASL PLAIN authentication failed: authentication failure

The following Brute force abuse incident from 104.248.36.93 was logged at 2020-01-30 13:27:22:

Jan 30 13:27:22 mailman postfix/smtpd[21411]: warning: unknown[104.248.36.93]:
SASL PLAIN authentication failed: authentication failure

The following Email spam abuse incident from 192.34.59.171 (ny114.reqck.com) was logged at 2020-01-27 22:41:48:

Jan 27 22:41:48 mailman postfix/smtpd[4642]: NOQUEUE: reject: RCPT from
ny114.reqck.com[192.34.59.171]: 554 5.7.1 Service unavailable; Client host
[192.34.59.171] blocked using rbl.rbldns.ru; RBLDNS Server v1.2.1. Author VDV [
Site: WWW.RBLDNS.RU ]; from=<information[at]reqck.com>
to=<cqmhcooqtk84612[at][munged]> proto=SMTP helo=<ny114.reqck.com>
Jan 27 22:41:48 mailman postfix/smtpd[4642]: NOQUEUE: reject: RCPT from
ny114.reqck.com[192.34.59.171]: 554 5.7.1 Service unavailable; Client host
[192.34.59.171] blocked using rbl.rbldns.ru; RBLDNS Server v1.2.1. Author VDV [
Site: WWW.RBLDNS.RU ]; from=<information[at]reqck.com>
to=<newport20200127[at][munged]> proto=SMTP helo=<ny114.reqck.com>

The following Brute force abuse incident from 178.128.148.147 was logged at 2020-01-20 22:18:37:

Jan 20 22:18:37 mailman postfix/smtpd[8928]: warning: unknown[178.128.148.147]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 104.131.248.46 (serverxcz15443.cibercloud.com.br) was logged at 2020-01-11 02:09:06:

Jan 11 02:09:06 mailman postfix/smtpd[15164]: warning: unknown[104.131.248.46]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 128.199.149.152 was logged at 2020-01-04 01:14:07:

Jan  4 01:14:07 mailman postfix/smtpd[20848]: warning: unknown[128.199.149.152]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 104.131.248.46 (serverxcz15443.cibercloud.com.br) was logged at 2020-01-03 21:19:46:

Jan  3 21:19:46 mailman postfix/smtpd[9152]: warning: unknown[104.131.248.46]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 104.131.248.46 (serverxcz15443.cibercloud.com.br) was logged at 2019-12-28 22:57:23:

Dec 28 22:57:23 mailman postfix/smtpd[32051]: warning: unknown[104.131.248.46]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 128.199.149.152 was logged at 2019-12-26 23:08:09:

Dec 26 23:08:09 mailman postfix/smtpd[25737]: warning: unknown[128.199.149.152]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 178.128.148.147 was logged at 2019-12-26 12:21:38:

Dec 26 12:21:38 mailman postfix/smtpd[19968]: warning: unknown[178.128.148.147]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 167.71.254.33 was logged at 2019-12-22 17:16:13:

Dec 22 17:16:13 mailman postfix/smtpd[18467]: warning: unknown[167.71.254.33]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 104.131.248.46 (serverxcz15443.cibercloud.com.br) was logged at 2019-12-21 19:03:06:

Dec 21 19:03:06 mailman postfix/smtpd[16882]: warning: unknown[104.131.248.46]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 128.199.149.152 was logged at 2019-12-19 04:47:00:

Dec 19 04:47:00 mailman postfix/smtpd[3339]: warning: unknown[128.199.149.152]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 142.93.196.47 was logged at 2019-12-18 15:34:53:

Dec 18 15:34:53 mailman postfix/smtpd[5606]: warning: unknown[142.93.196.47]:
SASL LOGIN authentication failed: authentication failure

The following SSH probe abuse incident from 139.59.180.53 was logged at 2019-12-16 22:53:39:

Dec 16 22:53:39 mailman sshd[30823]: Invalid user jboss from 139.59.180.53
Dec 16 22:53:39 mailman sshd[30823]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.180.53 
Dec 16 22:53:41 mailman sshd[30823]: Failed password for invalid user jboss from
139.59.180.53 port 43808 ssh2

The following SSH probe abuse incident from 159.203.77.51 was logged at 2019-12-15 20:56:18:

Dec 15 20:56:18 mailman sshd[25032]: Invalid user castis from 159.203.77.51
Dec 15 20:56:18 mailman sshd[25032]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.77.51 
Dec 15 20:56:20 mailman sshd[25032]: Failed password for invalid user castis
from 159.203.77.51 port 58740 ssh2

The following SSH probe abuse incident from 206.189.136.160 was logged at 2019-12-15 03:33:04:

Dec 15 03:33:04 mailman sshd[18383]: Invalid user ubuntu from 206.189.136.160
Dec 15 03:33:04 mailman sshd[18383]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.136.160 
Dec 15 03:33:06 mailman sshd[18383]: Failed password for invalid user ubuntu
from 206.189.136.160 port 49906 ssh2

The following SSH probe abuse incident from 138.68.20.158 was logged at 2019-12-15 00:06:08:

Dec 15 00:06:08 mailman sshd[25208]: Invalid user ftp_test from 138.68.20.158
Dec 15 00:06:08 mailman sshd[25208]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.20.158 
Dec 15 00:06:09 mailman sshd[25208]: Failed password for invalid user ftp_test
from 138.68.20.158 port 52186 ssh2

The following Brute force abuse incident from 104.131.248.46 (serverxcz15443.cibercloud.com.br) was logged at 2019-12-14 13:53:42:

Dec 14 13:53:42 mailman postfix/smtpd[21530]: warning: unknown[104.131.248.46]:
SASL LOGIN authentication failed: authentication failure

The following Brute force abuse incident from 178.128.148.147 was logged at 2019-12-13 20:52:56:

Dec 13 20:52:56 mailman postfix/smtpd[23187]: warning: unknown[178.128.148.147]:
SASL LOGIN authentication failed: authentication failure

The following SSH probe abuse incident from 139.59.56.121 was logged at 2019-12-13 00:02:21:

Dec 13 00:02:21 mailman sshd[21763]: Invalid user tomcat from 139.59.56.121
Dec 13 00:02:21 mailman sshd[21763]: pam_unix(sshd:auth): authentication
failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.56.121 
Dec 13 00:02:23 mailman sshd[21763]: Failed password for invalid user tomcat
from 139.59.56.121 port 59600 ssh2

The following Brute force abuse incident from 138.68.20.246 was logged at 2019-12-12 15:23:50:

Dec 12 15:23:50 mailman postfix/smtpd[18397]: warning: unknown[138.68.20.246]:
SASL LOGIN authentication failed: authentication failure