🇷🇴
82.76.116.54
14 Nov 2025
(smtpauth) Failed SMTP AUTH login from 82.76.116.54 (RO/Romania/82-76-116-54.rdsnet.ro): 5 in the la ...
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(smtpauth) Failed SMTP AUTH login from 82.76.116.54 (RO/Romania/82-76-116-54.rdsnet.ro): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Nov 14 14:36:59 srv2 postfix/smtpd[1130070]: warning: unknown[82.76.116.54]: SASL PLAIN authentication failed:
Nov 14 14:44:15 srv2 postfix/smtpd[1132013]: warning: unknown[82.76.116.54]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 14 15:31:46 srv2 postfix/smtpd[1142235]: warning: unknown[82.76.116.54]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 14 17:38:15 srv2 postfix/smtpd[1166579]: warning: unknown[82.76.116.54]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 14 19:25:40 srv2 postfix/smtpd[1186035]: warning: unknown[82.76.116.54]: SASL PLAIN authentication failed:
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Port Scan
🇷🇴
178.138.35.131
14 Nov 2025
(smtpauth) Failed SMTP AUTH login from 178.138.35.131 (RO/Romania/-): 5 in the last 43200 secs; Port ...
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(smtpauth) Failed SMTP AUTH login from 178.138.35.131 (RO/Romania/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Nov 14 13:59:33 srv2 postfix/smtpd[1122898]: warning: unknown[178.138.35.131]: SASL PLAIN authentication failed:
Nov 14 14:00:29 srv2 postfix/smtpd[1122898]: warning: unknown[178.138.35.131]: SASL PLAIN authentication failed:
Nov 14 14:04:38 srv2 postfix/smtpd[1123879]: warning: unknown[178.138.35.131]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 14 14:06:14 srv2 postfix/smtpd[1123879]: warning: unknown[178.138.35.131]: SASL PLAIN authentication failed: Connection lost to authentication server
Nov 14 14:20:41 srv2 postfix/smtpd[1127056]: warning: unknown[178.138.35.131]: SASL PLAIN authentication failed: Connection lost to authentication server
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Port Scan
🇷🇴
94.156.14.7
13 Nov 2025
(smtpauth) Failed SMTP AUTH login from 94.156.14.7 (BG/Bulgaria/-): 5 in the last 43200 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 94.156.14.7 (BG/Bulgaria/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Nov 14 00:14:29 srv2 postfix/smtpd[884605]: warning: unknown[94.156.14.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 14 00:35:36 srv2 postfix/smtpd[888267]: warning: unknown[94.156.14.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 14 00:56:42 srv2 postfix/smtpd[891732]: warning: unknown[94.156.14.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 14 01:17:49 srv2 postfix/smtpd[895469]: warning: unknown[94.156.14.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 14 01:38:59 srv2 postfix/smtpd[898785]: warning: unknown[94.156.14.7]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇪🇸
176.125.228.16
13 Nov 2025
(smtpauth) Failed SMTP AUTH login from 176.125.228.16 (DZ/Algeria/-): 5 in the last 43200 secs; Port ...
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(smtpauth) Failed SMTP AUTH login from 176.125.228.16 (DZ/Algeria/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Nov 13 16:34:26 srv2 postfix/smtpd[806483]: warning: unknown[176.125.228.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 13 16:46:03 srv2 postfix/smtpd[807920]: warning: unknown[176.125.228.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 13 17:00:17 srv2 postfix/smtpd[811134]: warning: unknown[176.125.228.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 13 17:18:26 srv2 postfix/smtpd[814281]: warning: unknown[176.125.228.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 13 17:36:28 srv2 postfix/smtpd[817984]: warning: unknown[176.125.228.16]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇳🇬
102.215.57.247
04 Nov 2025
(smtpauth) Failed SMTP AUTH login from 102.215.57.247 (NG/Nigeria/customer.lgosnga1.pop.starlinkisp. ...
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(smtpauth) Failed SMTP AUTH login from 102.215.57.247 (NG/Nigeria/customer.lgosnga1.pop.starlinkisp.net): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Nov 4 09:28:29 srv2 postfix/smtpd[425156]: warning: unknown[102.215.57.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 4 09:28:54 srv2 postfix/smtpd[425189]: warning: unknown[102.215.57.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 4 09:29:20 srv2 postfix/smtpd[425274]: warning: unknown[102.215.57.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 4 09:29:47 srv2 postfix/smtpd[425349]: warning: unknown[102.215.57.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 4 09:30:12 srv2 postfix/smtpd[425371]: warning: unknown[102.215.57.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇹🇭
165.154.184.204
23 Oct 2025
(smtpauth) Failed SMTP AUTH login from 165.154.184.204 (TH/Thailand/-): 5 in the last 43200 secs; Po ...
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(smtpauth) Failed SMTP AUTH login from 165.154.184.204 (TH/Thailand/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Oct 23 13:36:59 srv2 postfix/smtpd[1323372]: warning: unknown[165.154.184.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 17:42:44 srv2 postfix/smtpd[1388517]: warning: unknown[165.154.184.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 18:20:19 srv2 postfix/smtpd[1395472]: warning: unknown[165.154.184.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 18:57:07 srv2 postfix/smtpd[1403955]: warning: unknown[165.154.184.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 23 19:31:55 srv2 postfix/smtpd[1409968]: warning: unknown[165.154.184.204]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇩🇪
85.214.47.121
20 Oct 2025
(smtpauth) Failed SMTP AUTH login from 85.214.47.121 (DE/Germany/h2826297.stratoserver.net): 5 in th ...
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(smtpauth) Failed SMTP AUTH login from 85.214.47.121 (DE/Germany/h2826297.stratoserver.net): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Oct 20 04:30:16 srv2 postfix/smtpd[503488]: warning: h2826297.stratoserver.net[85.214.47.121]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 20 04:41:57 srv2 postfix/smtpd[505222]: warning: h2826297.stratoserver.net[85.214.47.121]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 20 04:47:51 srv2 postfix/smtpd[506218]: warning: h2826297.stratoserver.net[85.214.47.121]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 20 04:54:40 srv2 postfix/smtpd[507237]: warning: h2826297.stratoserver.net[85.214.47.121]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 20 05:02:40 srv2 postfix/smtpd[508640]: warning: h2826297.stratoserver.net[85.214.47.121]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇲🇽
189.245.79.151
09 Oct 2025
(smtpauth) Failed SMTP AUTH login from 189.245.79.151 (MX/Mexico/host-151-79-static-245-189.uninet-i ...
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(smtpauth) Failed SMTP AUTH login from 189.245.79.151 (MX/Mexico/host-151-79-static-245-189.uninet-ide.com.mx): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Oct 9 23:08:37 srv2 postfix/smtpd[2987301]: warning: unknown[189.245.79.151]: SASL login authentication failed: UGFzc3dvcmQ6
Oct 9 23:08:44 srv2 postfix/smtpd[2987301]: warning: unknown[189.245.79.151]: SASL login authentication failed: UGFzc3dvcmQ6
Oct 9 23:08:55 srv2 postfix/smtpd[2987301]: warning: unknown[189.245.79.151]: SASL login authentication failed: UGFzc3dvcmQ6
Oct 9 23:09:07 srv2 postfix/smtpd[2987301]: warning: unknown[189.245.79.151]: SASL login authentication failed: Connection lost to authentication server
Oct 9 23:09:11 srv2 postfix/smtpd[2987301]: warning: unknown[189.245.79.151]: SASL login authentication failed: UGFzc3dvcmQ6
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Port Scan
🇳🇱
84.38.133.155
07 Oct 2025
(smtpauth) Failed SMTP AUTH login from 84.38.133.155 (NL/The Netherlands/-): 5 in the last 43200 sec ...
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(smtpauth) Failed SMTP AUTH login from 84.38.133.155 (NL/The Netherlands/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Oct 8 00:05:55 srv2 postfix/smtpd[2275047]: warning: unknown[84.38.133.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 8 00:13:45 srv2 postfix/smtpd[2276071]: warning: unknown[84.38.133.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 8 00:22:15 srv2 postfix/smtpd[2277770]: warning: unknown[84.38.133.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 8 00:29:58 srv2 postfix/smtpd[2278882]: warning: unknown[84.38.133.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 8 00:37:46 srv2 postfix/smtpd[2280308]: warning: unknown[84.38.133.155]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇩🇪
47.254.167.8
03 Oct 2025
(smtpauth) Failed SMTP AUTH login from 47.254.167.8 (DE/Germany/-): 5 in the last 43200 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 47.254.167.8 (DE/Germany/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Oct 3 16:11:36 srv2 postfix/smtpd[641130]: warning: unknown[47.254.167.8]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 3 19:19:16 srv2 postfix/smtpd[676309]: warning: unknown[47.254.167.8]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 3 20:11:56 srv2 postfix/smtpd[686742]: warning: unknown[47.254.167.8]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 3 21:05:45 srv2 postfix/smtpd[703560]: warning: unknown[47.254.167.8]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct 3 21:59:45 srv2 postfix/smtpd[718352]: warning: unknown[47.254.167.8]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇮🇹
176.223.92.208
30 Sep 2025
(smtpauth) Failed SMTP AUTH login from 176.223.92.208 (IT/Italy/-): 5 in the last 43200 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 176.223.92.208 (IT/Italy/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 30 16:51:11 srv2 postfix/smtpd[772818]: warning: unknown[176.223.92.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 17:31:56 srv2 postfix/smtpd[772818]: warning: unknown[176.223.92.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 18:10:33 srv2 postfix/smtpd[788264]: warning: unknown[176.223.92.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 18:50:24 srv2 postfix/smtpd[788264]: warning: unknown[176.223.92.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 30 19:28:15 srv2 postfix/smtpd[788264]: warning: unknown[176.223.92.208]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇺🇸
107.175.93.247
27 Sep 2025
(smtpauth) Failed SMTP AUTH login from 107.175.93.247 (US/United States/107-175-93-247-host.colocros ...
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(smtpauth) Failed SMTP AUTH login from 107.175.93.247 (US/United States/107-175-93-247-host.colocrossing.com): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 27 16:05:07 srv2 postfix/smtpd[1586325]: warning: unknown[107.175.93.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 27 16:05:14 srv2 postfix/smtpd[1586325]: warning: unknown[107.175.93.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 27 16:05:25 srv2 postfix/smtpd[1586325]: warning: unknown[107.175.93.247]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 27 16:05:36 srv2 postfix/smtpd[1586325]: warning: unknown[107.175.93.247]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 27 16:05:47 srv2 postfix/smtpd[1586325]: warning: unknown[107.175.93.247]: SASL LOGIN authentication failed: Connection lost to authentication server
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Port Scan
🇳🇱
84.38.129.29
26 Sep 2025
(smtpauth) Failed SMTP AUTH login from 84.38.129.29 (NL/The Netherlands/ip-129-29.dataclub.info): 5 ...
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(smtpauth) Failed SMTP AUTH login from 84.38.129.29 (NL/The Netherlands/ip-129-29.dataclub.info): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 26 16:01:00 srv2 postfix/smtpd[1151170]: warning: unknown[84.38.129.29]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 26 16:01:06 srv2 postfix/smtpd[1151170]: warning: unknown[84.38.129.29]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 26 16:01:16 srv2 postfix/smtpd[1151170]: warning: unknown[84.38.129.29]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 26 16:01:26 srv2 postfix/smtpd[1151170]: warning: unknown[84.38.129.29]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 26 16:01:36 srv2 postfix/smtpd[1151170]: warning: unknown[84.38.129.29]: SASL LOGIN authentication failed: Connection lost to authentication server
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Port Scan
🇬🇧
8.208.103.161
25 Sep 2025
(smtpauth) Failed SMTP AUTH login from 8.208.103.161 (GB/United Kingdom/-): 5 in the last 43200 secs ...
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(smtpauth) Failed SMTP AUTH login from 8.208.103.161 (GB/United Kingdom/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 25 04:49:54 srv2 postfix/smtpd[638088]: warning: unknown[8.208.103.161]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 05:29:41 srv2 postfix/smtpd[644423]: warning: unknown[8.208.103.161]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 05:48:12 srv2 postfix/smtpd[647991]: warning: unknown[8.208.103.161]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 06:01:04 srv2 postfix/smtpd[650168]: warning: unknown[8.208.103.161]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 06:13:43 srv2 postfix/smtpd[652171]: warning: unknown[8.208.103.161]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇺🇸
185.251.19.163
23 Sep 2025
(smtpauth) Failed SMTP AUTH login from 185.251.19.163 (US/United States/-): 5 in the last 43200 secs ...
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(smtpauth) Failed SMTP AUTH login from 185.251.19.163 (US/United States/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 23 15:05:44 srv2 postfix/smtpd[19135]: warning: unknown[185.251.19.163]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 23 15:05:51 srv2 postfix/smtpd[19135]: warning: unknown[185.251.19.163]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 23 15:06:02 srv2 postfix/smtpd[19135]: warning: unknown[185.251.19.163]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 23 15:06:12 srv2 postfix/smtpd[19135]: warning: unknown[185.251.19.163]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 23 15:06:23 srv2 postfix/smtpd[19135]: warning: unknown[185.251.19.163]: SASL LOGIN authentication failed: Connection lost to authentication server
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Port Scan
🇹🇭
165.154.120.176
20 Sep 2025
(smtpauth) Failed SMTP AUTH login from 165.154.120.176 (TH/Thailand/-): 5 in the last 43200 secs; Po ...
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(smtpauth) Failed SMTP AUTH login from 165.154.120.176 (TH/Thailand/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 20 07:48:49 srv2 postfix/smtpd[928126]: warning: unknown[165.154.120.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 20 08:25:42 srv2 postfix/smtpd[933898]: warning: unknown[165.154.120.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 20 08:58:50 srv2 postfix/smtpd[939043]: warning: unknown[165.154.120.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 20 09:31:04 srv2 postfix/smtpd[944201]: warning: unknown[165.154.120.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 20 10:02:48 srv2 postfix/smtpd[949089]: warning: unknown[165.154.120.176]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇫🇷
195.177.94.146
12 Sep 2025
(smtpauth) Failed SMTP AUTH login from 195.177.94.146 (FR/France/-): 5 in the last 43200 secs; Ports ...
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(smtpauth) Failed SMTP AUTH login from 195.177.94.146 (FR/France/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 12 15:09:50 srv2 postfix/smtpd[3604454]: warning: unknown[195.177.94.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 12 15:09:56 srv2 postfix/smtpd[3604454]: warning: unknown[195.177.94.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 12 15:10:06 srv2 postfix/smtpd[3604454]: warning: unknown[195.177.94.146]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 12 15:10:16 srv2 postfix/smtpd[3604454]: warning: unknown[195.177.94.146]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 12 15:10:26 srv2 postfix/smtpd[3604454]: warning: unknown[195.177.94.146]: SASL LOGIN authentication failed: Connection lost to authentication server
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Port Scan
🇩🇪
95.111.250.145
08 Sep 2025
(smtpauth) Failed SMTP AUTH login from 95.111.250.145 (FR/France/mail.afclventurecapital.info): 5 in ...
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(smtpauth) Failed SMTP AUTH login from 95.111.250.145 (FR/France/mail.afclventurecapital.info): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 8 09:41:27 srv1 postfix/smtpd[1471999]: warning: unknown[95.111.250.145]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 8 09:41:33 srv1 postfix/smtpd[1472007]: warning: unknown[95.111.250.145]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 8 09:41:43 srv1 postfix/smtpd[1472117]: warning: unknown[95.111.250.145]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 8 09:41:53 srv1 postfix/smtpd[1472129]: warning: unknown[95.111.250.145]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 8 09:42:03 srv1 postfix/smtpd[1472143]: warning: unknown[95.111.250.145]: SASL LOGIN authentication failed: Connection lost to authentication server
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Port Scan
🇮🇳
117.248.58.165
06 Sep 2025
(smtpauth) Failed SMTP AUTH login from 117.248.58.165 (IN/India/-): 5 in the last 43200 secs; Ports: ...
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(smtpauth) Failed SMTP AUTH login from 117.248.58.165 (IN/India/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 6 10:29:45 srv2 postfix/smtpd[245135]: warning: unknown[117.248.58.165]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 6 10:29:54 srv2 postfix/smtpd[245135]: warning: unknown[117.248.58.165]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 6 10:30:07 srv2 postfix/smtpd[245135]: warning: unknown[117.248.58.165]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 6 10:30:20 srv2 postfix/smtpd[245135]: warning: unknown[117.248.58.165]: SASL LOGIN authentication failed: Connection lost to authentication server
Sep 6 10:30:25 srv2 postfix/smtpd[245135]: warning: unknown[117.248.58.165]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇩🇪
161.97.174.25
01 Sep 2025
(smtpauth) Failed SMTP AUTH login from 161.97.174.25 (DE/Germany/vmi825096.contaboserver.net): 5 in ...
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(smtpauth) Failed SMTP AUTH login from 161.97.174.25 (DE/Germany/vmi825096.contaboserver.net): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Sep 1 20:01:07 srv2 postfix/smtpd[367312]: warning: vmi825096.contaboserver.net[161.97.174.25]: SASL PLAIN authentication failed:
Sep 1 20:01:13 srv2 postfix/smtpd[367312]: warning: vmi825096.contaboserver.net[161.97.174.25]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 1 20:01:19 srv2 postfix/smtpd[367390]: warning: vmi825096.contaboserver.net[161.97.174.25]: SASL PLAIN authentication failed:
Sep 1 20:01:46 srv2 postfix/smtpd[367312]: warning: vmi825096.contaboserver.net[161.97.174.25]: SASL PLAIN authentication failed:
Sep 1 20:01:48 srv2 postfix/smtpd[367312]: warning: vmi825096.contaboserver.net[161.97.174.25]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇭🇰
47.52.166.93
31 Aug 2025
(smtpauth) Failed SMTP AUTH login from 47.52.166.93 (HK/Hong Kong/-): 5 in the last 43200 secs; Port ...
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(smtpauth) Failed SMTP AUTH login from 47.52.166.93 (HK/Hong Kong/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Aug 31 00:59:27 srv2 postfix/smtpd[79826]: warning: unknown[47.52.166.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 31 02:28:30 srv2 postfix/smtpd[92867]: warning: unknown[47.52.166.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 31 03:57:24 srv2 postfix/smtpd[201427]: warning: unknown[47.52.166.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 31 05:26:06 srv2 postfix/smtpd[214315]: warning: unknown[47.52.166.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 31 06:54:54 srv2 postfix/smtpd[227120]: warning: unknown[47.52.166.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇷🇴
81.196.61.248
25 Aug 2025
(smtpauth) Failed SMTP AUTH login from 81.196.61.248 (RO/Romania/81-196-61-248.static.rdsor.ro): 5 i ...
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(smtpauth) Failed SMTP AUTH login from 81.196.61.248 (RO/Romania/81-196-61-248.static.rdsor.ro): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Aug 25 16:01:00 srv2 postfix/smtpd[1678927]: warning: unknown[81.196.61.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 25 16:11:33 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL PLAIN authentication failed:
Aug 25 16:11:39 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 25 16:29:35 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL PLAIN authentication failed:
Aug 25 16:29:41 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇷🇴
81.196.61.248
25 Aug 2025
(smtpauth) Failed SMTP AUTH login from 81.196.61.248 (RO/Romania/81-196-61-248.static.rdsor.ro): 5 i ...
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(smtpauth) Failed SMTP AUTH login from 81.196.61.248 (RO/Romania/81-196-61-248.static.rdsor.ro): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Aug 25 16:00:24 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL PLAIN authentication failed:
Aug 25 16:00:30 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 25 16:00:42 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL PLAIN authentication failed: UGFzc3dvcmQ6
Aug 25 16:00:44 srv2 postfix/smtpd[1676772]: warning: unknown[81.196.61.248]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 25 16:00:58 srv2 postfix/smtpd[1678927]: warning: unknown[81.196.61.248]: SASL PLAIN authentication failed:
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Port Scan
🇩🇪
95.134.63.246
20 Aug 2025
(smtpauth) Failed SMTP AUTH login from 95.134.63.246 (DE/Germany/-): 5 in the last 43200 secs; Ports ...
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(smtpauth) Failed SMTP AUTH login from 95.134.63.246 (DE/Germany/-): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Aug 20 11:55:16 srv2 postfix/smtpd[1736391]: warning: unknown[95.134.63.246]: SASL PLAIN authentication failed:
Aug 20 11:55:22 srv2 postfix/smtpd[1736391]: warning: unknown[95.134.63.246]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 20 11:55:30 srv2 postfix/smtpd[1736108]: warning: unknown[95.134.63.246]: SASL PLAIN authentication failed:
Aug 20 13:54:26 srv2 postfix/smtpd[1755143]: warning: unknown[95.134.63.246]: SASL PLAIN authentication failed:
Aug 20 13:54:32 srv2 postfix/smtpd[1755143]: warning: unknown[95.134.63.246]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan
🇺🇸
198.23.203.23
15 Aug 2025
(smtpauth) Failed SMTP AUTH login from 198.23.203.23 (US/United States/198-23-203-23-host.colocrossi ...
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(smtpauth) Failed SMTP AUTH login from 198.23.203.23 (US/United States/198-23-203-23-host.colocrossing.com): 5 in the last 43200 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Aug 15 10:32:53 srv2 postfix/smtpd[964213]: warning: unknown[198.23.203.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 15 10:41:57 srv2 postfix/smtpd[966387]: warning: unknown[198.23.203.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 15 10:52:59 srv2 postfix/smtpd[969104]: warning: unknown[198.23.203.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 15 11:03:47 srv2 postfix/smtpd[971808]: warning: unknown[198.23.203.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 15 11:31:00 srv2 postfix/smtpd[978386]: warning: unknown[198.23.203.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
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Port Scan