Anonymous
2026-06-18 04:30:36
(6 hours ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
๐ฆ๐บ
marshy.com.au
2026-06-18 00:07:04
(11 hours ago)
(smtpauth) Failed SMTP AUTH login from 74.249.12.213 (US/United States/-): 5 in the last 3600 secs; ...
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(smtpauth) Failed SMTP AUTH login from 74.249.12.213 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-06-18 10:02:21 dovecot_plain authenticator failed for H=(VM-B2S-01) [74.249.12.213]:50373: 535 Incorrect authentication data ([email protected] )
2026-06-18 10:03:45 dovecot_plain authenticator failed for H=(VM-B2S-01) [74.249.12.213]:60786: 535 Incorrect authentication data ([email protected] )
2026-06-18 10:04:54 dovecot_plain authenticator failed for H=(VM-B2S-01) [74.249.12.213]:54634: 535 Incorrect authentication data ([email protected] )
2026-06-18 10:06:00 dovecot_plain authenticator failed for H=(VM-B2S-01) [74.249.12.213]:61316: 535 Incorrect authentication data ([email protected] )
2026-06-18 10:07:02 dovecot_plain authenticator failed for H=(VM-B2S-01) [74.249.12.213]:51056: 535 Incorrect authentication data ([email protected] )
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Port Scan
Anonymous
2026-06-18 00:06:28
(11 hours ago)
Large amount of failed IMAP access attempts (brute-force)
Brute-Force
๐ณ๐ฑ
SysAdmin Dylan
2026-06-18 00:06:23
(11 hours ago)
(smtpauth) Failed SMTP AUTH login from 74.249.12.213 (US/United States/-): 5 in the last 3600 secs
Brute-Force
๐จ๐ฟ
tuxcloud.net
2026-06-18 00:06:21
(11 hours ago)
Jun 18 02:00:28 zoidberg postfix/submission/smtpd[3439875]: warning: unknown[74.249.12.213]: SASL PL ...
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Jun 18 02:00:28 zoidberg postfix/submission/smtpd[3439875]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 18 02:02:48 zoidberg postfix/submission/smtpd[3469899]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 18 02:04:04 zoidberg postfix/submission/smtpd[3469899]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 18 02:05:14 zoidberg postfix/submission/smtpd[3469899]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 18 02:06:21 zoidberg postfix/submission/smtpd[3469899]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
๐ช๐ธ
ofm-abuse
2026-06-18 00:04:16
(11 hours ago)
MAIL SASL Dropped MX34
...
Port Scan
Brute-Force
๐ญ๐บ
Lacika555
2026-06-18 00:01:10
(11 hours ago)
RdpGuard detected brute-force attempt on SMTP
Brute-Force
๐ฎ๐ฉ
xveil
2026-06-18 00:01:05
(11 hours ago)
2026-06-18T07:00:54.761320 mail-honeypot postfix/submission/smtpd[9128]: warning: unknown[74.249.12. ...
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2026-06-18T07:00:54.761320 mail-honeypot postfix/submission/smtpd[9128]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: authentication failure
...
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Brute-Force
๐ซ๐ท
[email protected]
2026-06-17 20:53:57
(14 hours ago)
Jun 17 22:50:15 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN ...
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Jun 17 22:50:15 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 17 22:51:38 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 17 22:52:28 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 17 22:53:14 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
Jun 17 22:53:57 mail6 postfix/submission/smtpd[531288]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
...
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Brute-Force
๐ณ๐ฑ
SchorelWeb
2026-06-17 20:52:35
(14 hours ago)
Cluster member (Omitted) (FR/France/-) said, DENY 74.249.12.213, Reason:[(smtpauth) Failed SMTP AUTH ...
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Cluster member (Omitted) (FR/France/-) said, DENY 74.249.12.213, Reason:[(smtpauth) Failed SMTP AUTH login from 74.249.12.213 (US/United States/-): 3 in the last 3600 secs]
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Brute-Force
SSH
Anonymous
2026-06-17 20:51:11
(14 hours ago)
2026-06-17T22:23:53.060283+02:00 host postfix/smtpd[3020582]: lost connection after CONNECT from unk ...
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2026-06-17T22:23:53.060283+02:00 host postfix/smtpd[3020582]: lost connection after CONNECT from unknown[74.249.12.213]
2026-06-17T22:51:10.738571+02:00 host postfix/smtpd[3026594]: warning: unknown[74.249.12.213]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-06-17T22:51:10.832988+02:00 host postfix/smtpd[3026594]: lost connection after AUTH from unknown[74.249.12.213]
...
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Brute-Force
๐บ๐ธ
NXTwoThou
2026-06-17 20:50:55
(14 hours ago)
SMTP AUTH LOGIN
Brute-Force
๐ช๐ธ
loadsoporte
2026-06-17 20:50:31
(14 hours ago)
RdpGuard detected brute-force attempt on SMTP
Brute-Force
๐ฆ๐บ
rubixstudios
2026-06-17 17:00:02
(18 hours ago)
Suspicious SMTP activity detected. Type: Repeated dropped SMTP connections (20 hits).
Email Spam
Port Scan
๐บ๐ธ
WeekendWeb
2026-06-17 16:45:45
(18 hours ago)
smtp/pop Bruteforce
Web App Attack