🇭🇺
dd3589
2026-05-20 14:55:01
(2 weeks ago)
2026-05-20T16:54:15.433514+02:00 <masked> exim[295268].info: REJECT [45.238.2.34]: bad recipient cou ...
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2026-05-20T16:54:15.433514+02:00 <masked> exim[295268].info: REJECT [45.238.2.34]: bad recipient count high [100]
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Brute-Force
🇩🇪
Paul Smith
2026-05-20 13:28:15
(2 weeks ago)
Email Auth Brute force attack 2/2 in last day
Brute-Force
🇩🇪
DocNetzwerk
2026-05-20 13:00:57
(2 weeks ago)
(smtpauth) Failed SMTP AUTH login from 45.238.2.34 (BR/Brazil/45-238-2-34.netmaisfibra.net.br)
Brute-Force
🇸🇪
triplecode
2026-05-20 10:46:45
(2 weeks ago)
Reported from hMailServer
Hacking
🇩🇪
eskilbrun
2026-05-20 05:22:48
(2 weeks ago)
2026-05-20T07:22:47.296934+02:00 linode1.eskil.net postfix/smtpd[166583]: warning: 45-238-2-34.netma ...
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2026-05-20T07:22:47.296934+02:00 linode1.eskil.net postfix/smtpd[166583]: warning: 45-238-2-34.netmaisfibra.net.br[45.238.2.34]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-05-20T07:22:47.430928+02:00 linode1.eskil.net postfix/smtpd[166583]: lost connection after AUTH from 45-238-2-34.netmaisfibra.net.br[45.238.2.34]
...
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Brute-Force
🇺🇸
chrisj
2026-05-20 04:46:34
(2 weeks ago)
2026-05-20T04:46:34.371930+00:00 aws postfix/smtps/smtpd[569740]: warning: 45-238-2-34.netmaisfibra. ...
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2026-05-20T04:46:34.371930+00:00 aws postfix/smtps/smtpd[569740]: warning: 45-238-2-34.netmaisfibra.net.br[45.238.2.34]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-05-20T04:46:34.564402+00:00 aws postfix/smtps/smtpd[569740]: lost connection after AUTH from 45-238-2-34.netmaisfibra.net.br[45.238.2.34]
2026-05-20T04:46:34.564981+00:00 aws postfix/smtps/smtpd[569740]: disconnect from 45-238-2-34.netmaisfibra.net.br[45.238.2.34] ehlo=1 auth=0/1 commands=1/2
...
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Brute-Force
🇺🇸
chrisj
2026-05-20 03:18:05
(2 weeks ago)
2026-05-20T03:18:05.363323+00:00 aws postfix/smtps/smtpd[567716]: warning: 45-238-2-34.netmaisfibra. ...
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2026-05-20T03:18:05.363323+00:00 aws postfix/smtps/smtpd[567716]: warning: 45-238-2-34.netmaisfibra.net.br[45.238.2.34]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-05-20T03:18:05.364910+00:00 aws postfix/smtps/smtpd[567716]: lost connection after AUTH from 45-238-2-34.netmaisfibra.net.br[45.238.2.34]
2026-05-20T03:18:05.364982+00:00 aws postfix/smtps/smtpd[567716]: disconnect from 45-238-2-34.netmaisfibra.net.br[45.238.2.34] ehlo=1 auth=0/1 commands=1/2
...
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Brute-Force
Anonymous
2026-05-20 02:34:31
(2 weeks ago)
IMAP password guessing
Brute-Force
🇩🇪
EGP Abuse Dept
2026-05-20 01:58:03
(2 weeks ago)
Numeric HELO: 182.95.86.6
Email Spam
Exploited Host
🇩🇪
FeG Deutschland
2026-05-20 01:26:12
(2 weeks ago)
Mail: - login with unknown user - bruteforce
Brute-Force
🇺🇸
Brian Minton
2026-05-20 00:17:54
(2 weeks ago)
2026-05-19 07:51:48 login_saslauthd_server authenticator failed for 45-238-2-34.netmaisfibra.net.br ...
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2026-05-19 07:51:48 login_saslauthd_server authenticator failed for 45-238-2-34.netmaisfibra.net.br ([49.124.149.196]) [45.238.2.34]: 535 Incorrect authentication data (set_id=mailer-daemon)
2026-05-19 19:17:53 H=45-238-2-34.netmaisfibra.net.br ([182.79.51.82]) [45.238.2.34] F=<[email protected] > rejected RCPT <[email protected] >: Unrouteable address
2026-05-19 19:17:53 H=45-238-2-34.netmaisfibra.net.br ([182.79.51.82]) [45.238.2.34] F=<[email protected] > rejected RCPT <[email protected] >: Unrouteable address
...
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Brute-Force
🇩🇪
eskilbrun
2026-05-19 21:40:56
(2 weeks ago)
2026-05-19T23:40:55.193290+02:00 linode1.eskil.net postfix/smtpd[151840]: warning: 45-238-2-34.netma ...
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2026-05-19T23:40:55.193290+02:00 linode1.eskil.net postfix/smtpd[151840]: warning: 45-238-2-34.netmaisfibra.net.br[45.238.2.34]: SASL LOGIN authentication failed: (reason unavailable), [email protected]
2026-05-19T23:40:55.378940+02:00 linode1.eskil.net postfix/smtpd[151840]: lost connection after AUTH from 45-238-2-34.netmaisfibra.net.br[45.238.2.34]
2026-05-19T23:40:55.379015+02:00 linode1.eskil.net postfix/smtpd[151840]: disconnect from 45-238-2-34.netmaisfibra.net.br[45.238.2.34] ehlo=1 auth=0/1 commands=1/2
...
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Brute-Force
🇬🇧
cticom.ms
2026-05-19 19:09:35
(2 weeks ago)
Email Auth Brute force attack 3/3 in last day
Brute-Force
🇩🇪
www.fransveldman.world
2026-05-19 18:47:45
(2 weeks ago)
May 19 18:47:44 mail postfix/submission/smtpd[1833043]: warning: 45-238-2-34.netmaisfibra.net.br[45. ...
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May 19 18:47:44 mail postfix/submission/smtpd[1833043]: warning: 45-238-2-34.netmaisfibra.net.br[45.238.2.34]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 19 18:47:45 mail postfix/submission/smtpd[1833043]: lost connection after AUTH from 45-238-2-34.netmaisfibra.net.br[45.238.2.34]
...
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Brute-Force
Email Spam
🇹🇭
thaizone.com
2026-05-19 17:59:53
(2 weeks ago)
Excessive number of invalid login attempts
Email Spam
Hacking
Brute-Force
Exploited Host