Anonymous
2026-10-05 04:30:30
(6 days ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇩🇪
Paul Smith
2026-10-04 14:24:57
(1 week ago)
Email Auth Brute force attack 1/1 in last day
Brute-Force
🇩🇪
inline.de
2026-10-04 11:57:56
(1 week ago)
Oct 4 04:45:20 wh01 postfix/smtps/smtpd[3654574]: warning: 138-204-69-139.wantel.net.br[138.204.69. ...
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Oct 4 04:45:20 wh01 postfix/smtps/smtpd[3654574]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable)
Oct 4 11:00:28 wh01 postfix/smtps/smtpd[270985]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable)
Oct 4 13:32:04 wh01 postfix/smtps/smtpd[533075]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable)
Oct 4 13:51:38 wh01 postfix/smtps/smtpd[533075]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable)
Oct 4 13:57:56 wh01 postfix/smtps/smtpd[616470]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable)
...
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Brute-Force
🇬🇧
Joe-Mark
2026-10-04 09:14:09
(1 week ago)
Found list.rtbh.com.tr (Remote Triggered Black Hole) . proto=tcp . spt=53877 . dpt=25 . NFTA ...
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Found list.rtbh.com.tr (Remote Triggered Black Hole) . proto=tcp . spt=53877 . dpt=25 . NFTABLES .
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Email Spam
🇧🇪
fpoulet
2026-10-04 08:43:52
(1 week ago)
Blocked by Fail2Ban (Postfix BruteForce)
Brute-Force
SSH
Anonymous
2026-10-04 07:14:08
(1 week ago)
IMAP password guessing
Brute-Force
🇩🇪
kreativstrecke
2026-10-04 07:07:23
(1 week ago)
2026-10-04T09:07:22.024002+02:00 srv03 postfix/smtps/smtpd[1494376]: warning: 138-204-69-139.wantel. ...
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2026-10-04T09:07:22.024002+02:00 srv03 postfix/smtps/smtpd[1494376]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=amitavabanik
2026-10-04T09:07:22.701714+02:00 srv03 postfix/smtps/smtpd[1494376]: lost connection after AUTH from 138-204-69-139.wantel.net.br[138.204.69.139]
...
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Brute-Force
🇮🇩
xveil
2026-10-04 06:25:50
(1 week ago)
2026-10-04T13:25:48.714767 mail-honeypot postfix/submission/smtpd[31641]: warning: 138-204-69-139.wa ...
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2026-10-04T13:25:48.714767 mail-honeypot postfix/submission/smtpd[31641]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: authentication failure
...
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Brute-Force
🇫🇷
smtp.com.es
2026-10-04 05:43:36
(1 week ago)
Brute force attempt.
Brute-Force
Email Spam
🇫🇷
Batz
2026-10-04 04:49:24
(1 week ago)
Multiple Unauthorized Login Attempt
Brute-Force
Hacking
Port Scan
🇵🇱
bmino.pl
2026-10-04 04:47:51
(1 week ago)
Autoban IP(2): 138.204.69.139 - Hostname: WANTEL TECNOLOGIA LTDA. EPP - City: Juazeiro - Country: ...
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Autoban IP(2): 138.204.69.139 - Hostname: WANTEL TECNOLOGIA LTDA. EPP - City: Juazeiro - Country: Brazil - Organization: WANTEL TECNOLOGIA LTDA. EPP - Reason: Suspicious activity detected by Fail2ban
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Brute-Force
🇩🇪
kkeyser
2026-10-04 04:36:26
(1 week ago)
warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: authenticat ...
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warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: authentication failure
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Brute-Force
🇩🇪
DocNetzwerk
2026-10-04 04:24:36
(1 week ago)
(smtpauth) Failed SMTP AUTH login from 138.204.69.139 (BR/Brazil/138-204-69-139.wantel.net.br)
Brute-Force
Anonymous
2026-10-04 03:30:49
(1 week ago)
bruteforce
Brute-Force
Anonymous
2026-10-04 03:12:16
(1 week ago)
2026-10-04T05:12:15.933242+02:00 soli-gate postfix/submissions/smtpd[1005641]: warning: 138-204-69-1 ...
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2026-10-04T05:12:15.933242+02:00 soli-gate postfix/submissions/smtpd[1005641]: warning: 138-204-69-139.wantel.net.br[138.204.69.139]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force