🇩🇪
jasperedv.de
2026-04-21 04:54:03
(1 month ago)
Failed SMTP Login - Brutforcing
Email Spam
Brute-Force
🇺🇸
Smee
2026-04-21 02:41:12
(1 month ago)
IMAP/SMTP Authentication Failure
Brute-Force
🇨🇭
Origon
2026-04-18 21:43:59
(1 month ago)
postfix-spam - IP: 37.120.205.25 - time="2026-04-18T23:43:59+02:00" level=info msg="(555f66b4f6a745 ...
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postfix-spam - IP: 37.120.205.25 - time="2026-04-18T23:43:59+02:00" level=info msg="(555f66b4f6a74558bc11e3f93469658es8App0Mcc0TKEeje/crowdsec) crowdsecurity/postfix-spam by ip 37.120.205.25 (CA/9009) : 4h ban on Ip 37.120.205.25" module=db
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Email Spam
🇩🇪
ipcop.net
2026-04-18 20:38:17
(1 month ago)
2026-04-18T21:33:03.317492+01:00 mail.srvfarm.net postfix/submission/smtpd[3390195]: warning: unknow ...
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2026-04-18T21:33:03.317492+01:00 mail.srvfarm.net postfix/submission/smtpd[3390195]: warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-04-18T21:33:07.207652+01:00 mail.srvfarm.net postfix/submission/smtpd[3391400]: warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-04-18T21:33:09.210427+01:00 mail.srvfarm.net postfix/submission/smtpd[3390195]: warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-04-18T21:38:09.306804+01:00 mail.srvfarm.net postfix/submission/smtpd[3390195]: disconnect from unknown[37.120.205.25] ehlo=2 starttls=1 auth=0/2 commands=3/5
2026-04-18T21:38:11.787407+01:00 mail.srvfarm.net postfix/submission/smtpd[3391400]: disconnect from unknown[37.120.205.25] ehlo=2 starttls=1 auth=0/2 commands=3/5
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Fraud VoIP
Brute-Force
2026-04-18 20:20:01
(1 month ago)
Brute Force User Attack SMTP
Brute-Force
🇺🇸
jfz-abuse
2026-04-18 19:30:48
(1 month ago)
fail2ban: postfix-sasl
...
Brute-Force
2026-04-16 05:37:21
(1 month ago)
(smtpauth) Failed SMTP AUTH login from 37.120.205.25 (CA/Canada/-)
Brute-Force
2026-04-15 05:17:01
(1 month ago)
failed imap login
Brute-Force
🇨🇿
lp
2026-04-15 04:50:42
(1 month ago)
Email account brute force: 6 attempts were recorded from 37.120.205.25
2026-04-15T06:36:40+02:00 war ...
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Email account brute force: 6 attempts were recorded from 37.120.205.25
2026-04-15T06:36:40+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T06:36:40+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-15T06:36:41+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T06:36:41+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-15T06:36:49+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-04-15T06:36:49+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authenticat
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Brute-Force
2026-04-15 04:37:40
(2 months ago)
postfix-aggressive
Brute-Force
🇨🇿
lp
2026-03-31 03:19:59
(2 months ago)
Email account brute force: 6 attempts were recorded from 37.120.205.25
2026-03-31T04:51:05+02:00 war ...
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Email account brute force: 6 attempts were recorded from 37.120.205.25
2026-03-31T04:51:05+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-31T04:51:05+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-31T04:51:06+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-31T04:51:06+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-31T04:51:14+02:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-31T04:51:15+02:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authen
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Brute-Force
🇺🇸
bigscoots.com
2026-03-30 22:58:27
(2 months ago)
(smtpauth) Failed SMTP AUTH login from 37.120.205.25 (CA/Canada/-): 5 in the last 3600 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 37.120.205.25 (CA/Canada/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-03-30 18:57:56 dovecot_plain authenticator failed for H=([10.23.18.116]) [37.120.205.25]:28301: 535 Incorrect authentication data ([email protected] )
2026-03-30 18:58:02 dovecot_login authenticator failed for H=([10.23.18.116]) [37.120.205.25]:28301: 535 Incorrect authentication data ([email protected] )
2026-03-30 18:58:08 dovecot_plain authenticator failed for H=([10.23.18.116]) [37.120.205.25]:2694: 535 Incorrect authentication data ([email protected] )
2026-03-30 18:58:14 dovecot_login authenticator failed for H=([10.23.18.116]) [37.120.205.25]:2694: 535 Incorrect authentication data ([email protected] )
2026-03-30 18:58:23 dovecot_plain authenticator failed for H=([10.23.18.116]) [37.120.205.25]:36214: 535 Incorrect authentication data ([email protected] )
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Brute-Force
SSH
2026-03-27 04:30:50
(2 months ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇨🇿
lp
2026-03-26 20:50:41
(2 months ago)
Email account brute force: 5 attempts were recorded from 37.120.205.25
2026-03-26T21:24:21+01:00 war ...
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Email account brute force: 5 attempts were recorded from 37.120.205.25
2026-03-26T21:24:21+01:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-26T21:24:21+01:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-26T21:24:23+01:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-03-26T21:24:23+01:00 warning: unknown[37.120.205.25]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-03-26T21:24:32+01:00 warning: unknown[37.120.205.25]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
🇳🇱
e.fierstra
2026-03-26 19:21:42
(2 months ago)
Failed SMTP logins
Brute-Force