๐ซ๐ท
ventura-websolutions.de
2026-04-22 10:36:15
(1 month ago)
Apr 22 11:38:42 server postfix/smtpd[1545264]: warning: unknown[178.16.54.237]: SASL LOGIN authentic ...
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Apr 22 11:38:42 server postfix/smtpd[1545264]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 22 11:39:08 server postfix/smtpd[1545264]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: Connection lost to authentication server
Apr 22 12:36:14 server postfix/smtpd[1549664]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Brute-Force
๐ฉ๐ช
mueller-nils.com
2026-04-22 10:35:28
(1 month ago)
Apr 22 12:35:26 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati ...
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Apr 22 12:35:26 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati
Apr 22 12:35:27 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati
Apr 22 12:35:27 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati
Apr 22 12:35:27 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati
Apr 22 12:35:27 [host] postfix/smtpd[1333]: warning: unknown[178.16.54.237]: SASL LOGIN authenticati
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Hacking
Brute-Force
๐ฉ๐ช
webanyone
2026-04-22 10:32:25
(1 month ago)
SMTP brute-force detected by Fail2Ban in plesk-postfix jail
Email Spam
Brute-Force
๐ซ๐ท
IpdbBot
2026-04-22 10:27:39
(1 month ago)
Spam attack detected
Hacking
๐ฉ๐ช
Prepaid-Host.com
2026-04-22 10:26:58
(1 month ago)
Spam detected | Events: 15 | First seen: 2026-04-22 10:26 UTC | Last seen: 2026-04-22 10:26 UTC | Sa ...
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Spam detected | Events: 15 | First seen: 2026-04-22 10:26 UTC | Last seen: 2026-04-22 10:26 UTC | Sample: Apr 22 12:26:30 web-interface postfix/smtpd[1643151]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:26:30 web-interface postfix/smtpd[1643151]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:26:30 web-interface postfix/smtpd[1643151]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication fa
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Email Spam
๐ฉ๐ช
jonathanselea.se
2026-04-22 10:26:49
(1 month ago)
Apr 22 12:26:48 mx1 postfix/postscreen[961393]: PREGREET 11 after 0.04 from [178.16.54.237]:59572: E ...
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Apr 22 12:26:48 mx1 postfix/postscreen[961393]: PREGREET 11 after 0.04 from [178.16.54.237]:59572: EHLO User\r\n
...
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DDoS Attack
Email Spam
Brute-Force
Exploited Host
๐ซ๐ท
SpaceHost-Server
2026-04-22 10:26:30
(1 month ago)
Apr 22 12:26:21 pegasus postfix/smtpd[1822015]: warning: unknown[178.16.54.237]: SASL LOGIN authenti ...
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Apr 22 12:26:21 pegasus postfix/smtpd[1822015]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:26:25 pegasus postfix/smtpd[1822015]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:26:30 pegasus postfix/smtpd[1822015]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
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Hacking
Brute-Force
๐ฉ๐ช
bastiweb
2026-04-22 10:24:55
(1 month ago)
Apr 22 12:24:54 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentic ...
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Apr 22 12:24:54 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:24:54 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:24:55 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:24:55 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
Apr 22 12:24:55 h2779839 postfix/smtpd[25199]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
Anonymous
2026-04-22 10:24:18
(1 month ago)
Brute-Force
Email Spam
๐ฉ๐ช
Pz
2026-04-22 10:24:06
(1 month ago)
2026-04-22T10:23:46.792810+00:00 htz2.hosts.pzenix.com postfix/smtpd[3412456]: warning: unknown[178. ...
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2026-04-22T10:23:46.792810+00:00 htz2.hosts.pzenix.com postfix/smtpd[3412456]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-22T10:23:49.135327+00:00 htz2.hosts.pzenix.com postfix/smtpd[3412456]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
2026-04-22T10:23:51.907162+00:00 htz2.hosts.pzenix.com postfix/smtpd[3412456]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force
Anonymous
2026-04-22 10:24:03
(1 month ago)
Port scanning: unknown[178.16.54.237]
unknown[178.16.54.237]
unknown[178.16.54.237]
Brute-Force
๐ซ๐ท
solution.it
2026-04-22 10:23:44
(1 month ago)
smtp failed-command command="AUTH LOGIN (password)" result="535 Authentication failed"
Apr 22 12:23: ...
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smtp failed-command command="AUTH LOGIN (password)" result="535 Authentication failed"
Apr 22 12:23:43 vps789997 smtpd[4061585]: d00baad0abcb351f smtp connected address=178.16.54.237 host=<unknown>
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Brute-Force
๐ฉ๐ช
sebi
2026-04-22 10:23:20
(1 month ago)
2026-04-22 12:22:59 dovecot_login authenticator failed for H=(User) [178.16.54.237]: 535 Incorrect a ...
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2026-04-22 12:22:59 dovecot_login authenticator failed for H=(User) [178.16.54.237]: 535 Incorrect authentication data (set_id=lima)
2026-04-22 12:23:07 dovecot_login authenticator failed for H=(User) [178.16.54.237]: 535 Incorrect authentication data (set_id=lima)
2026-04-22 12:23:20 dovecot_login authenticator failed for H=(User) [178.16.54.237]: 535 Incorrect authentication data (set_id=lima)
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Brute-Force
๐ณ๐ฑ
ipoac.nl
2026-04-22 10:22:06
(1 month ago)
2026-04-22T10:40:51.179123+01:00 ipoac.nl postfix/smtpd-: disconnect from unknown[178.16.54.237]:642 ...
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2026-04-22T10:40:51.179123+01:00 ipoac.nl postfix/smtpd-: disconnect from unknown[178.16.54.237]:64260 ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
2026-04-22T11:12:09.600119+01:00 ipoac.nl postfix/smtpd-: disconnect from unknown[178.16.54.237]:53928 ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
2026-04-22T11:12:34.626992+01:00 ipoac.nl postfix/smtpd-: disconnect from unknown[178.16.54.237]:50879 ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
2026-04-22T11:22:06.057873+01:00 ipoac.nl postfix/smtpd-: disconnect from unknown[178.16.54.237]:54322 ehlo=1 auth=0/1 rset=1 quit=1 commands=3/4
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Brute-Force
Anonymous
2026-04-22 10:21:57
(1 month ago)
2026-04-22T12:21:55.992235 biopolis.pcconsultant.it postfix/smtpd[3454558]: warning: unknown[178.16. ...
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2026-04-22T12:21:55.992235 biopolis.pcconsultant.it postfix/smtpd[3454558]: warning: unknown[178.16.54.237]: SASL LOGIN authentication failed: authentication failure, [email protected]
...
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Brute-Force