Anonymous
2026-05-30 12:13:58
(3 weeks ago)
(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/host20-96.120-190.covinter.com.ar ...
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(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/host20-96.120-190.covinter.com.ar)
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Brute-Force
Anonymous
2026-05-30 12:12:18
(3 weeks ago)
2026-05-30T14:11:13.745765+02:00 mail.nb6.de postfix/smtpd[42042]: warning: unknown[190.120.96.20]: ...
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2026-05-30T14:11:13.745765+02:00 mail.nb6.de postfix/smtpd[42042]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-05-30T14:11:13.992672+02:00 mail.nb6.de postfix/smtpd[42042]: disconnect from unknown[190.120.96.20] ehlo=2 starttls=1 auth=0/1 commands=3/4
2026-05-30T14:11:50.294105+02:00 mail.nb6.de postfix/smtpd[42042]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-05-30T14:11:50.537931+02:00 mail.nb6.de postfix/smtpd[42042]: disconnect from unknown[190.120.96.20] ehlo=2 starttls=1 auth=0/1 commands=3/4
2026-05-30T14:12:17.378968+02:00 mail.nb6.de postfix/smtpd[42042]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
Anonymous
2026-05-30 08:59:05
(3 weeks ago)
May 30 10:51:11 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): un ...
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May 30 10:51:11 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:52:18 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:52:38 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:52:54 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:53:34 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:54:21 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:54:37 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:55:11 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): unknown user
May 30 10:55:32 theater dovecot: auth: passwd-file([email protected] ,190.120.96.20): un
...
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Hacking
Brute-Force
Exploited Host
๐ณ๐ฑ
maxxsense
2026-05-30 08:50:59
(3 weeks ago)
(postfix-unknown) Failed postfix unknown login with username [redacted] from 190.120.96.20 (AR/Argen ...
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(postfix-unknown) Failed postfix unknown login with username [redacted] from 190.120.96.20 (AR/Argentina/host20-96.120-190.covinter.com.ar)
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Hacking
๐ซ๐ฎ
Rexikon
2026-05-30 06:16:08
(3 weeks ago)
May 30 08:15:49 plesk postfix/smtpd[2436260]: warning: unknown[190.120.96.20]: SASL PLAIN authentica ...
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May 30 08:15:49 plesk postfix/smtpd[2436260]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
May 30 08:15:55 plesk postfix/smtpd[2436263]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
May 30 08:16:06 plesk postfix/smtpd[2436260]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
May 30 08:16:06 plesk postfix/smtpd[2436263]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
May 30 08:16:08 plesk postfix/smtpd[2438343]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
๐ท๐บ
mnogoweb
2026-05-30 06:14:42
(3 weeks ago)
(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/host20-96.120-190.covinter.com.ar ...
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(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/host20-96.120-190.covinter.com.ar): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-05-30 09:14:30 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
2026-05-30 09:14:41 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
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Port Scan
๐บ๐ธ
TSLAdmin
2026-05-29 19:39:54
(3 weeks ago)
(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (host20-96.120-190.covinter.com.ar): 5 in the l ...
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(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (host20-96.120-190.covinter.com.ar): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-05-29 12:38:57 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
2026-05-29 12:39:04 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
2026-05-29 12:39:05 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
2026-05-29 12:39:07 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
2026-05-29 12:39:49 plain authenticator failed for H=(Coovi03) [190.120.96.20]: 535 Incorrect authentication data ([email protected] )
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Port Scan
๐ฉ๐ช
Nerdscave Hosting
2026-05-29 16:50:24
(3 weeks ago)
SMTP brute-force detected by Fail2Ban in plesk-postfix jail
Email Spam
Brute-Force
๐ฎ๐น
opso.it
2026-05-29 04:32:15
(3 weeks ago)
2026-05-29 06:29:31 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorr ...
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2026-05-29 06:29:31 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorrect authentication data \([email protected] \)
2026-05-29 06:29:44 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorrect authentication data \([email protected] \)
2026-05-29 06:30:02 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorrect authentication data \([email protected] \)
2026-05-29 06:30:28 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorrect authentication data \([email protected] \)
2026-05-29 06:32:14 dovecot_plain authenticator failed for \(Coovi03\) \[190.120.96.20\]: 535 Incorrect authentication data \([email protected] \)
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Web App Attack
๐ซ๐ฎ
notelseit
2026-05-29 04:29:35
(3 weeks ago)
2026-05-29T06:29:11.064262+02:00 mail postfix/submission/smtpd[3123913]: warning: unknown[190.120.96 ...
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2026-05-29T06:29:11.064262+02:00 mail postfix/submission/smtpd[3123913]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-05-29T06:29:11.321764+02:00 mail postfix/submission/smtpd[3123913]: disconnect from unknown[190.120.96.20] ehlo=2 starttls=1 auth=0/1 commands=3/4
2026-05-29T06:29:34.405236+02:00 mail postfix/submission/smtpd[3123913]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
Email Spam
๐ฉ๐ช
lukgth
2026-05-29 02:06:12
(3 weeks ago)
2026-05-29T04:05:07.016120+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): au ...
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2026-05-29T04:05:07.016120+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=contact rhost=190.120.96.20
2026-05-29T04:05:23.593889+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=info rhost=190.120.96.20
2026-05-29T04:05:34.956855+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=support rhost=190.120.96.20
2026-05-29T04:05:44.843091+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=admin rhost=190.120.96.20
2026-05-29T04:06:11.971265+02:00 etheria.infra.nyara.cloud auth[3724549]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=info rhost=190.120.96.20
...
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Brute-Force
SSH
๐จ๐ฟ
tuxcloud.net
2026-05-28 23:33:43
(3 weeks ago)
May 29 01:32:21 zoidberg postfix/submission/smtpd[3448884]: warning: unknown[190.120.96.20]: SASL PL ...
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May 29 01:32:21 zoidberg postfix/submission/smtpd[3448884]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
May 29 01:32:48 zoidberg postfix/submission/smtpd[3448884]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
May 29 01:33:05 zoidberg postfix/submission/smtpd[3448884]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
May 29 01:33:15 zoidberg postfix/submission/smtpd[3473010]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
May 29 01:33:42 zoidberg postfix/submission/smtpd[3473010]: warning: unknown[190.120.96.20]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
๐บ๐ธ
Ghost Rider
2026-05-28 05:02:36
(3 weeks ago)
RdpGuard detected brute-force attempt on SMTP
Brute-Force
Anonymous
2026-05-27 19:58:56
(3 weeks ago)
22x Postfix SASL LOGIN authentication failed
Brute-Force
๐ณ๐ฑ
Roderic
2026-05-27 19:57:46
(3 weeks ago)
(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/Cordoba/Villa del Rosario/host20- ...
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(smtpauth) Failed SMTP AUTH login from 190.120.96.20 (AR/Argentina/Cordoba/Villa del Rosario/host20-96.120-190.covinter.com.ar/-)
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Brute-Force