🇿🇦
maximonline.co.za
2026-09-04 09:10:36
(21 minutes ago)
Brute Force SMTP AUTH Attack
Brute-Force
🇮🇩
xveil
2026-09-04 09:05:13
(27 minutes ago)
2026-09-04T16:05:09.254851 mail-honeypot postfix/submission/smtpd[13450]: warning: unknown[2.57.170. ...
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2026-09-04T16:05:09.254851 mail-honeypot postfix/submission/smtpd[13450]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
🇳🇱
maxxsense
2026-09-04 09:02:14
(30 minutes ago)
(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-)
Brute-Force
🇦🇺
electronico
2026-09-04 08:47:09
(45 minutes ago)
2026-09-04T19:46:43.458053+11:00 mail1 postfix/submission/smtpd[1070526]: warning: unknown[2.57.170. ...
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2026-09-04T19:46:43.458053+11:00 mail1 postfix/submission/smtpd[1070526]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-09-04T19:47:03.404557+11:00 mail1 postfix/submissions/smtpd[1070028]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-09-04T19:47:08.053616+11:00 mail1 postfix/submissions/smtpd[1070028]: warning: unknown[2.57.170.193]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
Email Spam
🇫🇮
notelseit
2026-09-04 08:22:12
(1 hour ago)
2026-09-04T10:21:53.614359+02:00 mail postfix/submission/smtpd[3637581]: lost connection after CONNE ...
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2026-09-04T10:21:53.614359+02:00 mail postfix/submission/smtpd[3637581]: lost connection after CONNECT from unknown[2.57.170.193]
2026-09-04T10:22:05.374668+02:00 mail postfix/submission/smtpd[3637581]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-09-04T10:22:11.441864+02:00 mail postfix/submission/smtpd[3637581]: disconnect from unknown[2.57.170.193] ehlo=2 starttls=1 auth=0/2 commands=3/5
...
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Brute-Force
Email Spam
🇨🇿
lp
2026-09-04 07:51:12
(1 hour ago)
Email account brute force: 5 attempts were recorded from 2.57.170.193
2026-09-04T08:17:46+02:00 warn ...
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Email account brute force: 5 attempts were recorded from 2.57.170.193
2026-09-04T08:17:46+02:00 warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-09-04T08:17:48+02:00 warning: unknown[2.57.170.193]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T08:18:01+02:00 warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-09-04T08:18:03+02:00 warning: unknown[2.57.170.193]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T08:18:17+02:00 warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
Anonymous
2026-09-04 07:12:07
(2 hours ago)
(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-)
Brute-Force
🇮🇩
xveil
2026-09-04 07:11:43
(2 hours ago)
2026-09-04T14:11:40.578331 mail-honeypot postfix/submission/smtpd[27316]: warning: unknown[2.57.170. ...
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2026-09-04T14:11:40.578331 mail-honeypot postfix/submission/smtpd[27316]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
🇺🇸
mnogoweb
2026-09-04 07:05:45
(2 hours ago)
(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; ...
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(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-04 01:00:49 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 01:00:50 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 01:00:51 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 01:00:52 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 01:01:10 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
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Port Scan
🇳🇱
Sonar
2026-09-04 06:37:24
(2 hours ago)
Bad_host
Brute-Force
🇺🇸
mnogoweb
2026-09-04 06:25:04
(3 hours ago)
(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; ...
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(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-04 00:21:55 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:21:57 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:24:36 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:24:38 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:25:00 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
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Port Scan
🇮🇩
xveil
2026-09-04 06:18:34
(3 hours ago)
2026-09-04T13:18:31.420768 mail-honeypot postfix/submission/smtpd[27106]: warning: unknown[2.57.170. ...
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2026-09-04T13:18:31.420768 mail-honeypot postfix/submission/smtpd[27106]: warning: unknown[2.57.170.193]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
🇺🇸
mnogoweb
2026-09-04 06:03:35
(3 hours ago)
(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; ...
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(smtpauth) Failed SMTP AUTH login from 2.57.170.193 (IT/Italy/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-04 00:02:55 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:02:57 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:03:11 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:03:13 login authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
2026-09-04 00:03:30 plain authenticator failed for ([127.0.1.1]) [2.57.170.193]: 535 Incorrect authentication data ([email protected] )
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Port Scan
🇩🇪
wlt-blocker
2026-09-04 05:32:30
(3 hours ago)
Attempts to login to mail server with wrong username and/or password
Brute-Force
🇮🇹
VHosting
2026-09-04 05:10:03
(4 hours ago)
Detected mail brute force attack from different servers
Brute-Force