🇺🇸
mnogoweb
2026-09-03 00:07:45
(9 hours ago)
(smtpauth) Failed SMTP AUTH login from 142.248.82.70 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 142.248.82.70 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-09-02 18:05:24 login authenticator failed for (lXvNzZmG) [142.248.82.70]: 535 Incorrect authentication data (set_id=calebthomas)
2026-09-02 18:05:24 login authenticator failed for (byAWTG5jRJ) [142.248.82.70]: 535 Incorrect authentication data (set_id=calebthomas)
2026-09-02 18:05:25 login authenticator failed for (EzzjFzCg7) [142.248.82.70]: 535 Incorrect authentication data (set_id=calebthomas)
2026-09-02 18:07:44 login authenticator failed for (husa8E) [142.248.82.70]: 535 Incorrect authentication data (set_id=sophiathompson)
2026-09-02 18:07:44 login authenticator failed for (5g843uwuXB) [142.248.82.70]: 535 Incorrect authentication data (set_id=sophiathompson)
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Port Scan
🇮🇩
xveil
2026-09-02 19:48:39
(13 hours ago)
2026-09-03T02:48:37.365808 mail-honeypot postfix/submission/smtpd[8854]: warning: unknown[142.248.82 ...
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2026-09-03T02:48:37.365808 mail-honeypot postfix/submission/smtpd[8854]: warning: unknown[142.248.82.70]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
🇨🇿
unhfree.net
2026-09-02 18:22:57
(15 hours ago)
Sep 2 20:22:50 canopus postfix/smtpd[3818399]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 5 ...
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Sep 2 20:22:50 canopus postfix/smtpd[3818399]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 Service unavailable; Client host [142.248.82.70] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/142.248.82.70 / Listed by XBL, see https://check.spamhaus.org/query/ip/142.248.82.70; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<8cSN0IhxM>
Sep 2 20:22:51 canopus postfix/smtpd[3817311]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 Service unavailable; Client host [142.248.82.70] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/142.248.82.70 / Listed by XBL, see https://check.spamhaus.org/query/ip/142.248.82.70; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<opfDf2X9q>
Sep 2 20:22:53 canopus postfix/smtpd[3818401]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 Service unavailable; Client host [142.248.82.70] blocked usin
...
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Brute-Force
Exploited Host
🇫🇷
UM3
2026-08-30 10:50:25
(3 days ago)
Exim Auth Failed
Brute-Force
🇺🇸
mnogoweb
2026-08-24 20:02:57
(1 week ago)
(smtpauth) Failed SMTP AUTH login from 142.248.82.70 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 142.248.82.70 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-08-24 13:45:09 login authenticator failed for (XrvgML) [142.248.82.70]: 535 Incorrect authentication data (set_id=liamfrost)
2026-08-24 13:45:09 login authenticator failed for (qojyRj9utY) [142.248.82.70]: 535 Incorrect authentication data (set_id=liamfrost)
2026-08-24 13:45:10 login authenticator failed for (b9nqL64) [142.248.82.70]: 535 Incorrect authentication data (set_id=liamfrost)
2026-08-24 13:57:59 login authenticator failed for (dvOO8I) [142.248.82.70]: 535 Incorrect authentication data (set_id=lukeparker)
2026-08-24 13:58:00 login authenticator failed for (nXI88n) [142.248.82.70]: 535 Incorrect authentication data (set_id=lukeparker)
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Port Scan
🇨🇿
unhfree.net
2026-08-23 00:44:34
(1 week ago)
Aug 23 02:44:28 canopus postfix/smtpd[2388192]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 5 ...
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Aug 23 02:44:28 canopus postfix/smtpd[2388192]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<yVURvXDPqE>
Aug 23 02:44:29 canopus postfix/smtpd[2383773]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<vIm6HDUl>
Aug 23 02:44:31 canopus postfix/smtpd[2388192]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<T6uhYtpD>
Aug 23 02:44:32 canopus postfix/smtpd[2383773]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<paulabean7693a@y
...
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Brute-Force
Exploited Host
🇿🇦
maximonline.co.za
2026-08-23 00:20:08
(1 week ago)
Brute Force SMTP AUTH Attack
Brute-Force
🇫🇷
UM3
2026-08-14 21:54:25
(2 weeks ago)
Exim Auth Failed
Brute-Force
🇮🇹
VHosting
2026-08-14 14:50:05
(2 weeks ago)
Detected mail brute force attack from 4 different servers
Brute-Force
🇧🇷
KingHost
2026-08-14 06:42:16
(2 weeks ago)
Brute-Force
🇨🇿
unhfree.net
2026-08-12 18:57:52
(3 weeks ago)
Aug 12 20:57:46 canopus postfix/smtpd[928114]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 55 ...
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Aug 12 20:57:46 canopus postfix/smtpd[928114]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<18ddT4hr>
Aug 12 20:57:47 canopus postfix/smtpd[928114]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<dL3Pa0c2J>
Aug 12 20:57:49 canopus postfix/smtpd[928114]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<p2Xgs4Ug>
Aug 12 20:57:50 canopus postfix/smtpd[928114]: NOQUEUE: reject: RCPT from unknown[142.248.82.70]: 554 5.7.1 <[email protected] >: Sender address rejected: Access denied; from=<[email protected] > to=<paulabean7693a@yahoo.
...
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Brute-Force
Exploited Host