Anonymous
2026-07-30 13:47:25
(1 day ago)
SMTP brute force - auth failed
Brute-Force
Exploited Host
๐บ๐ธ
Ghost Rider
2026-07-30 01:20:43
(1 day ago)
RdpGuard detected brute-force attempt on SMTP
Brute-Force
๐ซ๐ท
Jean Valjean
2026-07-29 20:33:09
(2 days ago)
Fail2ban exim
Email Spam
๐ฉ๐ช
ipcop.net
2026-07-29 17:35:33
(2 days ago)
2026-07-29T19:35:18.391314+02:00 web01.agentur-b-2.de postfix/smtpd[3048418]: warning: unknown[91.92 ...
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2026-07-29T19:35:18.391314+02:00 web01.agentur-b-2.de postfix/smtpd[3048418]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
2026-07-29T19:35:18.440211+02:00 web01.agentur-b-2.de postfix/smtpd[3048418]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
2026-07-29T19:35:25.089424+02:00 web01.agentur-b-2.de postfix/smtpd[3048418]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
2026-07-29T19:35:25.140759+02:00 web01.agentur-b-2.de postfix/smtpd[3048418]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
2026-07-29T19:35:32.493095+02:00 web01.agentur-b-2.de postfix/smtpd[3048527]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
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Fraud VoIP
Brute-Force
๐ฉ๐ช
ipcop.net
2026-07-29 16:12:48
(2 days ago)
2026-07-29T18:12:34.219223+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: warning: unknown[91.92 ...
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2026-07-29T18:12:34.219223+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
2026-07-29T18:12:34.311871+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
2026-07-29T18:12:41.377631+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
2026-07-29T18:12:41.425812+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
2026-07-29T18:12:48.383884+02:00 web03.agentur-b-2.de postfix/smtpd[3404485]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), sasl_username=20info
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Fraud VoIP
Brute-Force
๐บ๐ธ
xmission.com
2026-07-29 15:11:19
(2 days ago)
IP triggered Postscreen SMTP Filter
Email Spam
๐ซ๐ท
BforeAI PreCrime
2026-07-28 09:03:00
(3 days ago)
Credential Stuffing Attack on Email
Brute-Force
Anonymous
2026-07-28 08:18:40
(3 days ago)
SMTP brute force - auth failed
Brute-Force
Exploited Host
๐ซ๐ท
Jean Valjean
2026-07-28 06:03:03
(3 days ago)
Fail2ban exim
Email Spam
๐น๐ผ
AndCycle
2026-07-28 05:44:29
(3 days ago)
Jul 28 13:43:33 bacztwo courieresmtpd[3844905]: error,relay=::ffff:91.92.241.163,port=58800,msg="535 ...
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Jul 28 13:43:33 bacztwo courieresmtpd[3844905]: error,relay=::ffff:91.92.241.163,port=58800,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-w7club
Jul 28 13:43:47 bacztwo courieresmtpd[3845004]: error,relay=::ffff:91.92.241.163,port=61258,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-w7club
Jul 28 13:44:01 bacztwo courieresmtpd[3845121]: error,relay=::ffff:91.92.241.163,port=65406,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-w7club
Jul 28 13:44:14 bacztwo courieresmtpd[3845775]: error,relay=::ffff:91.92.241.163,port=54355,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-w7club
Jul 28 13:44:28 bacztwo courieresmtpd[3845877]: error,relay=::ffff:91.92.241.163,port=58535,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-w7club
...
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Email Spam
Brute-Force
๐ฉ๐ช
samba.org
2026-07-27 21:57:10
(4 days ago)
spam (f2b h2)
Brute-Force
๐ฉ๐ช
ipcop.net
2026-07-27 20:32:24
(4 days ago)
2026-07-27T22:31:51.394060+02:00 web01.agentur-b-2.de postfix/smtpd[30955]: NOQUEUE: reject: RCPT fr ...
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2026-07-27T22:31:51.394060+02:00 web01.agentur-b-2.de postfix/smtpd[30955]: NOQUEUE: reject: RCPT from unknown[91.92.241.163]: 504 5.5.2 <YUFQEc>: Helo command rejected: need fully-qualified hostname; from=<[email protected] > to=<[email protected] > proto=ESMTP helo=<YUFQEc>
2026-07-27T22:32:07.267103+02:00 web01.agentur-b-2.de postfix/smtpd[30955]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-07-27T22:32:07.315644+02:00 web01.agentur-b-2.de postfix/smtpd[30955]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
2026-07-27T22:32:23.169820+02:00 web01.agentur-b-2.de postfix/smtpd[25330]: warning: unknown[91.92.241.163]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-07-27T22:32:23.218203+02:00 web01.agentur-b-2.de postfix/smtpd[25330]: disconnect from unknown[91.92.241.163] ehlo=1 auth=0/1 commands=1/2
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Fraud VoIP
Brute-Force
๐ฆ๐บ
screwlooseit.com.au
2026-07-27 10:28:27
(4 days ago)
Blocked by CSF 13 firewall - Rule: mysaslmatch
BG/Bulgaria/-
Web App Attack
๐ธ๐ฐ
Eurofluid
2026-07-27 01:01:53
(5 days ago)
You shall not pass ! Abusive behavior blocked by EF firewall.
Port Scan
Hacking
Brute-Force
๐ซ๐ท
Jean Valjean
2026-07-26 22:09:49
(5 days ago)
Fail2ban exim
Email Spam