🇨🇿
lp
2026-04-20 16:11:42
(1 month ago)
Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-04-17T07:11:26+02:00 warn ...
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Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-04-17T07:11:26+02:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T07:11:26+02:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-17T07:11:27+02:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T07:11:27+02:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-17T07:11:36+02:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-17T07:11:36+02:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authenticatio
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Brute-Force
🇩🇪
filstal.org
2026-04-17 06:01:55
(1 month ago)
CrowdSec-Report: crowdsecurity/postfix-spam
Email Spam
Brute-Force
2026-04-17 05:21:02
(1 month ago)
...
Brute-Force
🇦🇺
jalim
2026-04-17 03:47:33
(1 month ago)
Fail2Ban (11cc81a08e1b): 3 attempts from 91.193.6.149 triggered postfix-sasl jail. Ban time: 3600s. ...
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Fail2Ban (11cc81a08e1b): 3 attempts from 91.193.6.149 triggered postfix-sasl jail. Ban time: 3600s. Attack patterns detected in mail server logs.
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Brute-Force
🇹🇷
rtbh.com.tr
2026-03-29 20:12:19
(2 months ago)
list.rtbh.com.tr report: tcp/0
Brute-Force
🇹🇷
rtbh.com.tr
2026-03-27 20:12:18
(2 months ago)
list.rtbh.com.tr report: tcp/0
Brute-Force
2026-03-27 00:26:46
(2 months ago)
postfix-sasl
Brute-Force
🇨🇿
lp
2026-03-26 23:50:40
(2 months ago)
Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-03-26T23:14:53+01:00 warn ...
show more
Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-03-26T23:14:53+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-26T23:14:53+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-26T23:14:54+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-26T23:14:54+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-26T23:15:06+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-26T23:15:07+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication fai
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Brute-Force
2026-03-26 22:45:18
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/-)
Brute-Force
🇩🇪
final
2026-03-26 22:10:06
(2 months ago)
Mar 26 23:09:53 xxxxx postfix/submission/smtpd[47619]: lost connection after CONNECT from unknown[91 ...
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Mar 26 23:09:53 xxxxx postfix/submission/smtpd[47619]: lost connection after CONNECT from unknown[91.193.6.149]
Mar 26 23:09:58 xxxxx postfix/submission/smtpd[47705]: warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Mar 26 23:10:06 xxxxx postfix/submission/smtpd[47705]: warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: UGFzc3dvcmQ6, [email protected]
Mar 26 23:10:06 xxxxx postfix/submission/smtpd[47705]: disconnect from unknown[91.193.6.149] ehlo=2 starttls=1 auth=0/2 quit=1 commands=4/6
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Email Spam
Phishing
Spoofing
🇨🇿
lp
2026-03-25 19:20:59
(2 months ago)
Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-03-25T19:23:33+01:00 warn ...
show more
Email account brute force: 6 attempts were recorded from 91.193.6.149
2026-03-25T19:23:33+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T19:23:33+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-25T19:23:35+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T19:23:35+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-25T19:24:37+01:00 warning: unknown[91.193.6.149]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-25T19:24:38+01:00 warning: unknown[91.193.6.149]: SASL LOGIN authentication failed: authenticatio
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Brute-Force
🇩🇪
iNetWorker
2026-03-25 18:35:36
(2 months ago)
trying to access non-authorized port
Port Scan
🇺🇸
bigscoots.com
2026-03-24 20:55:46
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/-): 5 in the last 3600 secs; Ports: 2 ...
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(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-24 16:00:50 dovecot_login authenticator failed for H=([10.19.18.137]) [91.193.6.149]:44499: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:55:40 dovecot_plain authenticator failed for H=([10.19.18.71]) [91.193.6.149]:62314: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:55:44 dovecot_plain authenticator failed for H=([10.19.18.71]) [91.193.6.149]:18664: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:55:44 dovecot_plain authenticator failed for H=([10.19.18.71]) [91.193.6.149]:57680: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:55:44 dovecot_plain authenticator failed for H=([10.19.18.71]) [91.193.6.149]:22981: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
🇩🇪
grassau.com
2026-03-24 20:03:03
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/Quebec/Montreal/-)
Brute-Force
🇺🇸
bigscoots.com
2026-03-24 20:00:49
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/-): 5 in the last 3600 secs; Ports: 2 ...
show more
(smtpauth) Failed SMTP AUTH login from 91.193.6.149 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-24 16:00:22 dovecot_plain authenticator failed for H=([10.19.18.137]) [91.193.6.149]:19525: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:00:28 dovecot_login authenticator failed for H=([10.19.18.137]) [91.193.6.149]:19525: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:00:34 dovecot_plain authenticator failed for H=([10.19.18.137]) [91.193.6.149]:9749: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:00:40 dovecot_login authenticator failed for H=([10.19.18.137]) [91.193.6.149]:9749: 535 Incorrect authentication data ([email protected] )
2026-03-24 16:00:48 dovecot_plain authenticator failed for H=([10.19.18.137]) [91.193.6.149]:44499: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH