🇮🇹
Inartis
2026-09-08 07:04:46
(1 hour ago)
2026-09-08T09:04:45.460821mail1.inartis.it postfix/smtpd[180565]: warning: unknown[136.52.36.42]: SA ...
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2026-09-08T09:04:45.460821mail1.inartis.it postfix/smtpd[180565]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Port Scan
Brute-Force
Anonymous
2026-09-08 07:02:45
(1 hour ago)
Email Auth Brute force attack 3/3 in last day
Brute-Force
Anonymous
2026-09-08 06:38:02
(1 hour ago)
2026-09-08T08:38:01.442264 biopolis.pcconsultant.it postfix/smtpd[2395619]: warning: unknown[136.52. ...
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2026-09-08T08:38:01.442264 biopolis.pcconsultant.it postfix/smtpd[2395619]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
🇺🇸
MSchienle
2026-09-08 04:28:03
(4 hours ago)
Sep 07 23:25:42 customvisuals postfix/smtpd[11936]: warning: unknown[136.52.36.42]: SASL LOGIN authe ...
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Sep 07 23:25:42 customvisuals postfix/smtpd[11936]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Email Spam
🇬🇧
Bytemark
2026-09-08 03:24:57
(5 hours ago)
Sep 8 04:24:57 lnx1 postfix/smtps/smtpd[2548857]: warning: unknown[136.52.36.42]: SASL LOGIN authen ...
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Sep 8 04:24:57 lnx1 postfix/smtps/smtpd[2548857]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=urz
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Email Spam
Spoofing
Exploited Host
🇮🇹
Inartis
2026-09-08 03:09:00
(5 hours ago)
2026-09-08T05:08:59.434035mail1.inartis.it postfix/smtpd[134117]: warning: unknown[136.52.36.42]: SA ...
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2026-09-08T05:08:59.434035mail1.inartis.it postfix/smtpd[134117]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure, sasl_username=postmaster
...
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Port Scan
Brute-Force
🇺🇦
MakselPr
2026-09-08 02:39:35
(5 hours ago)
Sep 8 05:29:43 mail postfix/smtps/smtpd[2151660]: warning: unknown[136.52.36.42]: SASL LOGIN authen ...
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Sep 8 05:29:43 mail postfix/smtps/smtpd[2151660]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
Sep 8 05:39:33 mail postfix/smtps/smtpd[2151065]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
🇫🇷
dwmp
2026-09-08 02:29:54
(6 hours ago)
Sep 8 01:42:45 webcore postfix/smtpd[2772215]: warning: unknown[136.52.36.42]: SASL LOGIN authentic ...
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Sep 8 01:42:45 webcore postfix/smtpd[2772215]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure
Sep 8 02:47:21 webcore postfix/smtpd[2787277]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure
Sep 8 04:29:53 webcore postfix/smtpd[2813089]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure
...
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Brute-Force
🇩🇪
www.fransveldman.world
2026-09-08 02:22:27
(6 hours ago)
Sep 8 02:22:26 mail postfix/submission/smtpd[900599]: warning: unknown[136.52.36.42]: SASL LOGIN au ...
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Sep 8 02:22:26 mail postfix/submission/smtpd[900599]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 8 02:22:26 mail postfix/submission/smtpd[900599]: lost connection after AUTH from unknown[136.52.36.42]
...
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Brute-Force
Email Spam
🇩🇰
powerhostingdk
2026-09-08 01:44:22
(6 hours ago)
[mailserver] CrowdSec detected mailscanner/global-spam-aggregate (31 events). Automated abuse report ...
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[mailserver] CrowdSec detected mailscanner/global-spam-aggregate (31 events). Automated abuse report.
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Brute-Force
🇩🇪
LRob
2026-09-08 01:32:33
(6 hours ago)
SMTP abuse: repeated rejected delivery attempts (spam or recipient guessing) | 2026-09-08 01:32 UTC
Email Spam
🇬🇧
andypiper
2026-09-08 01:00:43
(7 hours ago)
CrowdSec ban for AbuseIPDB Top List
Brute-Force
Web App Attack
🇮🇹
Inartis
2026-09-08 00:51:36
(7 hours ago)
2026-09-08T02:51:35.112129mail1.inartis.it postfix/smtpd[105885]: warning: unknown[136.52.36.42]: SA ...
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2026-09-08T02:51:35.112129mail1.inartis.it postfix/smtpd[105885]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Port Scan
Brute-Force
Anonymous
2026-09-08 00:37:14
(7 hours ago)
2026-09-08T02:37:13.328639+02:00 gollum postfix/smtps/smtpd[3782873]: warning: unknown[136.52.36.42] ...
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2026-09-08T02:37:13.328639+02:00 gollum postfix/smtps/smtpd[3782873]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-09-08T02:37:13.934426+02:00 gollum postfix/smtps/smtpd[3782873]: lost connection after AUTH from unknown[136.52.36.42]
...
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DDoS Attack
Brute-Force
🇮🇹
Inartis
2026-09-08 00:15:35
(8 hours ago)
2026-09-08T02:15:34.390977mail1.inartis.it postfix/smtpd[106547]: warning: unknown[136.52.36.42]: SA ...
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2026-09-08T02:15:34.390977mail1.inartis.it postfix/smtpd[106547]: warning: unknown[136.52.36.42]: SASL LOGIN authentication failed: authentication failure, sasl_username=dwtermeeuganeem
...
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Port Scan
Brute-Force