🇩🇪
8legz.net
2026-09-05 05:58:39
(3 days ago)
2026-09-05T06:58:31.419270+01:00 8legz postfix/submission/smtpd[2329246]: warning: ec2-100-23-72-137 ...
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2026-09-05T06:58:31.419270+01:00 8legz postfix/submission/smtpd[2329246]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=spider.games
2026-09-05T06:58:39.022222+01:00 8legz postfix/submission/smtpd[2329242]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
🇩🇪
FeG Deutschland
2026-09-05 05:48:01
(3 days ago)
Mail: - login with unknown user - bruteforce
Brute-Force
Anonymous
2026-09-05 05:00:04
(3 days ago)
6x Postfix SASL LOGIN authentication failed
Brute-Force
🇬🇧
[email protected]
2026-09-05 00:30:01
(3 days ago)
...
Brute-Force
SSH
Anonymous
2026-09-04 22:33:50
(3 days ago)
Sep 5 00:33:30 mx1 postfix/submission/smtpd[14097]: warning: ec2-100-23-72-137.us-west-2.compute.am ...
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Sep 5 00:33:30 mx1 postfix/submission/smtpd[14097]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 5 00:33:38 mx1 postfix/submission/smtpd[14097]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 5 00:33:50 mx1 postfix/submission/smtpd[14097]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
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Brute-Force
🇨🇭
Kepler-1649c
2026-09-04 21:09:00
(3 days ago)
SMTP Authentication errors
Brute-Force
Hacking
🇨🇿
lp
2026-09-04 19:50:50
(3 days ago)
Email account brute force: 4 attempts were recorded from 100.23.72.137
2026-09-04T20:46:39+02:00 war ...
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Email account brute force: 4 attempts were recorded from 100.23.72.137
2026-09-04T20:46:39+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T20:46:41+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T20:46:43+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T20:46:45+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
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Brute-Force
🇳🇱
GabrielJST
2026-09-04 19:06:38
(3 days ago)
(smtpauth) Failed SMTP AUTH login from 100.23.72.137 (US/United States/ec2-100-23-72-137.us-west-2.c ...
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(smtpauth) Failed SMTP AUTH login from 100.23.72.137 (US/United States/ec2-100-23-72-137.us-west-2.compute.amazonaws.com)
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Brute-Force
🇷🇴
iulianh
2026-09-04 17:44:49
(3 days ago)
25,465,587
Brute-Force
SSH
🇫🇷
eric-lemesre
2026-09-04 17:37:22
(3 days ago)
2026-09-04T17:59:54.265734+02:00 mail postfix/submission/smtpd[2356502]: warning: ec2-100-23-72-137. ...
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2026-09-04T17:59:54.265734+02:00 mail postfix/submission/smtpd[2356502]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=discord
2026-09-04T18:00:01.430366+02:00 mail postfix/submission/smtpd[2356502]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=discord
2026-09-04T19:37:21.328418+02:00 mail postfix/submission/smtpd[2409309]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=discord
...
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Brute-Force
Email Spam
🇫🇷
UM3
2026-09-04 17:05:58
(3 days ago)
Exim Auth Failed
Brute-Force
🇮🇩
xveil
2026-09-04 17:05:01
(3 days ago)
2026-09-05T00:01:50.938688 mail-honeypot postfix/submission/smtpd[5459]: warning: ec2-100-23-72-137. ...
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2026-09-05T00:01:50.938688 mail-honeypot postfix/submission/smtpd[5459]: warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure
...
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Brute-Force
🇹🇭
thaizone.com
2026-09-04 14:50:03
(3 days ago)
Mail credential brute-force attack (SM5) #1
Email Spam
Brute-Force
🇨🇿
lp
2026-09-04 12:20:18
(4 days ago)
Email account brute force: 6 attempts were recorded from 100.23.72.137
2026-09-04T13:55:56+02:00 war ...
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Email account brute force: 6 attempts were recorded from 100.23.72.137
2026-09-04T13:55:56+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T13:55:56+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T13:55:57+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T13:55:57+02:00 warning: ec2-100-23-72-137.us-west-2.compute.amazonaws.com[100.23.72.137]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-09-04T13:56:00+02:00 warning: ec2-100-23-72-137.us-west-2.compute.am
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Brute-Force
🇳🇱
Mangelot Hosting
2026-09-04 11:11:59
(4 days ago)
(exim_auth_fail) srv103 Exim Login Failure 100.23.72.137 (US/United States/ec2-100-23-72-137.us-west ...
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(exim_auth_fail) srv103 Exim Login Failure 100.23.72.137 (US/United States/ec2-100-23-72-137.us-west-2.compute.amazonaws.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_CUSTOMTRIGGER; Logs:
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Web App Attack