🇩🇪
oviliz
2026-06-24 11:58:40
(1 hour ago)
Jun 24 12:15:41 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] support@c ...
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Jun 24 12:15:41 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","_error":"Unknown user","_auth_result":"unknown","_username":"[email protected] ","_domain":"cristianbalan.com","_scope":"imap","_ip":"83.168.71.135","_sess":"jedftkbbn5plalcq","facility":"wildduck","host":"mail","timestamp":1782299741.914,"_component":"wildduck"}
Jun 24 12:37:11 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","_error":"Unknown user","_auth_result":"unknown","_username":"[email protected] ","_domain":"cristianbalan.com","_scope":"imap","_ip":"83.168.71.135","_sess":"mvlkf3ji4lzi6quj","facility":"wildduck","host":"mail","timestamp":1782301031.175,"_component":"wildduck"}
Jun 24 12:58:40 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","full_message":"Error: Invalid Auth\n at UserHandler.asyncAuthenticate (/opt/wildduck/lib/user-handler.js:
...
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Brute-Force
🇺🇸
pjfasano
2026-06-24 11:33:14
(1 hour ago)
Jun 24 10:07:17 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 10:07:17 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<admin>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<xF0UCv1UtolTqEeH>
Jun 24 10:28:44 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<billing>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<25PVVv1U9NVTqEeH>
Jun 24 10:50:13 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<newsletter>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<d5+wo/1UMLlTqEeH>
Jun 24 11:11:44 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<support>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<fqOR8P1UhuNTqEeH>
Jun 24 11:33:13 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<admin>, method=PLAIN, rip=83.
...
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Brute-Force
SSH
🇺🇸
pjfasano
2026-06-24 09:45:48
(3 hours ago)
Jun 24 08:21:14 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 08:21:14 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<billing>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<8iPTjvtUmtlTqEeH>
Jun 24 08:42:13 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<vSbp2ftUTrtTqEeH>
Jun 24 09:03:14 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<sales>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<4y0PJfxUhOVTqEeH>
Jun 24 09:24:23 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<support>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<heWycPxUlolTqEeH>
Jun 24 09:45:47 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.
...
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Brute-Force
SSH
🇺🇸
pjfasano
2026-06-24 08:00:16
(5 hours ago)
Jun 24 06:36:29 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 06:36:29 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<newsletter>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<Mhc8GPpUUpxTqEeH>
Jun 24 06:57:22 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<support>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<kt3uYvpUsJhTqEeH>
Jun 24 07:18:18 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<wafLrfpUhOBTqEeH>
Jun 24 07:39:14 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<billing>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<Haar+PpU4J1TqEeH>
Jun 24 08:00:15 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<postmaster>, method=PLAIN, rip
...
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Brute-Force
SSH
🇺🇸
pjfasano
2026-06-24 06:15:36
(6 hours ago)
Jun 24 04:51:55 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 04:51:55 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<billing>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<TlRIovhUUKhTqEeH>
Jun 24 05:12:50 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<support>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<C2gW7fhU+MpTqEeH>
Jun 24 05:33:46 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<sales>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<5DvuN/lUMtRTqEeH>
Jun 24 05:54:42 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<admin>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<niTGgvlU1L9TqEeH>
Jun 24 06:15:35 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<newsletter>, method=PLAIN, rip=83.
...
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Brute-Force
SSH
2026-06-24 06:06:16
(6 hours ago)
Authentication failure
Brute-Force
🇺🇸
pjfasano
2026-06-24 04:30:59
(8 hours ago)
Jun 24 03:07:24 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 03:07:24 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<sales>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<MyODLPdUzuBTqEeH>
Jun 24 03:28:14 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<sales>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<qZsDd/dUWOdTqEeH>
Jun 24 03:49:07 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<contact>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<aPG2wfdUptlTqEeH>
Jun 24 04:10:04 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<newsletter>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<4ReWDPhUNsJTqEeH>
Jun 24 04:30:59 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<hr>, method=PLAIN, rip=83.168.7
...
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Brute-Force
SSH
🇺🇸
pjfasano
2026-06-24 02:46:34
(10 hours ago)
Jun 24 01:23:17 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 24 01:23:17 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<newsletter>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<TuYkuPVUJo1TqEeH>
Jun 24 01:44:08 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<contact>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<oQe9AvZUFslTqEeH>
Jun 24 02:04:58 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<p287TfZUit9TqEeH>
Jun 24 02:25:47 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<postmaster>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<v/Svl/ZURNRTqEeH>
Jun 24 02:46:33 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<contact>, method=PLAIN, rip
...
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Brute-Force
SSH
🇳🇱
e.fierstra
2026-06-24 02:02:31
(11 hours ago)
Failed IMAP logins over 24h
Brute-Force
🇺🇸
pjfasano
2026-06-24 01:02:27
(12 hours ago)
Jun 23 23:39:04 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 23 23:39:04 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<hr>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<MH5mQ/RUyJtTqEeH>
Jun 23 23:59:56 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<newsletter>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<23gGjvRUUJhTqEeH>
Jun 24 00:20:45 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<contact>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<I22B2PRUFs5TqEeH>
Jun 24 00:41:36 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<hr>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<M2AVI/VUOOpTqEeH>
Jun 24 01:02:26 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<contact>, method=PLAIN, rip=83.168.71
...
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Brute-Force
SSH
🇫🇷
LRob.fr
2026-06-23 23:30:07
(13 hours ago)
POP or IMAP failed login attempts detected by Fail2Ban in plesk-dovecot jail
Brute-Force
🇺🇸
pjfasano
2026-06-23 23:18:11
(13 hours ago)
Jun 23 21:58:04 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts ...
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Jun 23 21:58:04 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<postmaster>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<UAFC2vJUWrxTqEeH>
Jun 23 22:17:33 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 5 secs): user=<hr>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<sTriH/NU1LRTqEeH>
Jun 23 22:37:02 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<support>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<2ESdZfNUDIVTqEeH>
Jun 23 22:57:16 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.135, lip=205.166.159.14, TLS, session=<QAL6rfNUjqhTqEeH>
Jun 23 23:18:10 fermi dovecot: imap-login: Disconnected: Connection closed (auth failed, 1 attempts in 4 secs): user=<info>, method=PLAIN, rip=83.168.71.
...
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Brute-Force
SSH
🇩🇪
oviliz
2026-06-23 23:01:09
(14 hours ago)
Jun 23 23:21:08 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] hr@cristi ...
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Jun 23 23:21:08 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","_error":"Unknown user","_auth_result":"unknown","_username":"[email protected] ","_domain":"cristianbalan.com","_scope":"imap","_ip":"83.168.71.135","_sess":"ys6enllb2nwcjras","facility":"wildduck","host":"mail","timestamp":1782253268.428,"_component":"wildduck"}
Jun 23 23:40:38 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","_error":"Unknown user","_auth_result":"unknown","_username":"[email protected] ","_domain":"cristianbalan.com","_scope":"imap","_ip":"83.168.71.135","_sess":"ddffr766z2rm3egd","facility":"wildduck","host":"mail","timestamp":1782254438.736,"_component":"wildduck"}
Jun 24 00:01:09 mail wildduck-server[789]: info Gelf {"short_message":"WILDDUCK [AUTHFAIL] [email protected] ","full_message":"Error: Invalid Auth\n at UserHandler.asyncAuthenticate (/opt/wildduck/lib/user-handler.js:898:27
...
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Brute-Force
🇫🇷
LRob.fr
2026-06-23 23:00:05
(14 hours ago)
Repeated attacks detected by Fail2Ban in recidive jail
Hacking
🇩🇪
FeG Deutschland
2026-06-23 21:54:20
(15 hours ago)
Mail: - login with unknown user - bruteforce
Brute-Force