🇺🇸
85.208.136.125
10 Nov 2022
Spam attempt with dozens of simultaneous connections.
Nov 10 08:23:03 guu smtpd[87651]: 809290a5a ...
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Spam attempt with dozens of simultaneous connections.
Nov 10 08:23:03 guu smtpd[87651]: 809290a5a820ddd1 smtp event=connected address=85.208.136.125 host=85.208.136.125
Nov 10 08:23:04 guu smtpd[87651]: 809290a5a820ddd1 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Brute-Force
🇫🇮
85.134.3.135
29 Aug 2022
Aug 29 12:39:39 guu smtpd[87651]: 80924c9c403fe8f5 smtp event=connected address=85.134.3.135 host=55 ...
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Aug 29 12:39:39 guu smtpd[87651]: 80924c9c403fe8f5 smtp event=connected address=85.134.3.135 host=55860387.adsl.multi.fi
Aug 29 12:39:39 guu smtpd[87651]: 80924c9c403fe8f5 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
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Email Spam
🇫🇮
193.64.24.105
26 Aug 2022
Aug 23 01:58:24 guu smtpd[39912]: e5f8a49c6c4474d7 smtp event=connected address=193.64.24.105 host=1 ...
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Aug 23 01:58:24 guu smtpd[39912]: e5f8a49c6c4474d7 smtp event=connected address=193.64.24.105 host=193.64.24.105
Aug 23 01:58:24 guu smtpd[39912]: e5f8a49c6c4474d7 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
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Email Spam
🇦🇺
49.176.244.178
21 Aug 2022
Spam attempt with spoofed sender address.
Subject: Undelivered Mail Returned to Sender
...
Rece ...
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Spam attempt with spoofed sender address.
Subject: Undelivered Mail Returned to Sender
...
Received: by mx.bezeqint.net (Bezeq International Mail Server, from userid 89)
id 51F8C19281AE; Sat, 20 Aug 2022 23:54:58 +0300 (IDT)
Received: from static-n49-176-244-178.sun2.vic.optusnet.com.au (static-n49-176-244-178.sun2.vic.optusnet.com.au [49.176.244.178])
by mx.bezeqint.net (Bezeq International Mail Server) with ESMTP id DFE851C9422B
for <protected-recipient-address>; Sat, 20 Aug 2022 23:54:54 +0300 (IDT)
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Email Spam
Exploited Host
🇵🇱
80.51.20.200
21 Aug 2022
Attempted to relay spam.
Aug 20 20:48:12 guu smtpd[39912]: e5f8a42b7a014669 smtp event=connected ...
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Attempted to relay spam.
Aug 20 20:48:12 guu smtpd[39912]: e5f8a42b7a014669 smtp event=connected address=80.51.20.200 host=80.51.20.200
Aug 20 20:48:13 guu smtpd[39912]: e5f8a42b7a014669 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
Aug 20 20:48:13 guu smtpd[39912]: e5f8a42b7a014669 smtp event=failed-command command="DATA" result="503 5.5.4 Invalid command arguments: No recipient specified"
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Email Spam
🇫🇮
85.134.3.135
21 Aug 2022
Attempted to relay spam.
Aug 20 20:48:11 guu smtpd[39912]: e5f8a42a11f798d3 smtp event=connected ...
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Attempted to relay spam.
Aug 20 20:48:11 guu smtpd[39912]: e5f8a42a11f798d3 smtp event=connected address=85.134.3.135 host=55860387.adsl.multi.fi
Aug 20 20:48:11 guu smtpd[39912]: e5f8a42a11f798d3 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
Aug 20 20:48:12 guu smtpd[39912]: e5f8a42a11f798d3 smtp event=failed-command command="DATA" result="503 5.5.4 Invalid command arguments: No recipient specified"
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Email Spam
🇩🇪
78.49.2.213
21 Aug 2022
Spam attempt with spoofed sender address, resulted in failed delivery notification to my server.
...
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Spam attempt with spoofed sender address, resulted in failed delivery notification to my server.
From: Mail Delivery Subsystem <[email protected] >
Subject: Delivery Status Notification (Failure)
...
Received: from dynamic-078-049-002-213.78.49.pool.telefonica.de (dynamic-078-049-002-213.78.49.pool.telefonica.de. [78.49.2.213])
by mx.google.com with ESMTP id kt27-20020a170906aadb00b00734c5ab8514si5307285ejb.151.2022.08.20.13.53.21
for <protected-recipient-address>;
Sat, 20 Aug 2022 13:53:23 -0700 (PDT)
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Email Spam
Exploited Host
🇳🇱
193.239.164.121
27 Jul 2022
Jul 27 15:06:17 guu smtpd[39912]: e5f7cd73dfd26959 smtp event=connected address=193.239.164.121 host ...
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Jul 27 15:06:17 guu smtpd[39912]: e5f7cd73dfd26959 smtp event=connected address=193.239.164.121 host=193.239.164.121
Jul 27 15:06:17 guu smtpd[39912]: e5f7cd73dfd26959 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
Jul 27 17:00:15 guu smtpd[39912]: e5f7cd78df97ff96 smtp event=connected address=193.239.164.121 host=193.239.164.121
Jul 27 17:00:15 guu smtpd[39912]: e5f7cd78df97ff96 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
🇺🇸
107.182.128.14
15 Jul 2022
Jul 15 09:33:46 guu smtpd[39912]: e5f7c4977b0eaa54 smtp event=connected address=107.182.128.14 host= ...
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Jul 15 09:33:46 guu smtpd[39912]: e5f7c4977b0eaa54 smtp event=connected address=107.182.128.14 host=107.182.128.14
Jul 15 09:33:46 guu smtpd[39912]: e5f7c4977b0eaa54 smtp event=failed-command command="rcpt to: <[email protected] >" result="550 Invalid recipient"
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Email Spam
🇲🇽
187.218.204.157
27 Jun 2022
Jun 27 23:06:32 guu smtpd[39912]: e5f6b422b7505f84 smtp event=connected address=187.218.204.157 host ...
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Jun 27 23:06:32 guu smtpd[39912]: e5f6b422b7505f84 smtp event=connected address=187.218.204.157 host=customer-187-218-204-157.uninet-ide.com.mx
Jun 27 23:06:33 guu smtpd[39912]: e5f6b422b7505f84 smtp event=failed-command command="RCPT TO:<[email protected] >" result="550 Invalid recipient"
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Email Spam
🇻🇳
103.167.90.52
21 Jun 2022
Jun 21 12:51:30 guu smtpd[39912]: e5f69de9f9705857 smtp event=connected address=103.167.90.52 host=1 ...
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Jun 21 12:51:30 guu smtpd[39912]: e5f69de9f9705857 smtp event=connected address=103.167.90.52 host=103.167.90.52
Jun 21 12:51:30 guu smtpd[39912]: e5f69de9f9705857 smtp event=closed reason=quit
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Port Scan
🇻🇳
103.138.108.18
21 Jun 2022
Jun 21 11:02:01 guu smtpd[39912]: e5f69de4a410baed smtp event=connected address=103.138.108.18 host= ...
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Jun 21 11:02:01 guu smtpd[39912]: e5f69de4a410baed smtp event=connected address=103.138.108.18 host=103.138.108.18
Jun 21 11:02:02 guu smtpd[39912]: e5f69de4a410baed smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇳🇱
45.133.1.52
20 Jun 2022
Jun 20 15:21:31 guu smtpd[39912]: e5f69db2f387b85b smtp event=connected address=45.133.1.52 host=45. ...
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Jun 20 15:21:31 guu smtpd[39912]: e5f69db2f387b85b smtp event=connected address=45.133.1.52 host=45.133.1.52
Jun 20 15:21:31 guu smtpd[39912]: e5f69db2f387b85b smtp event=failed-command command="AUTH LOGIN" result="503 5.5.1 Invalid command: Command not supported"
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Brute-Force
🇷🇺
193.233.191.252
17 Jun 2022
Jun 17 14:59:07 guu smtpd[39912]: e5f69cc9dc480e00 smtp event=connected address=193.233.191.252 host ...
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Jun 17 14:59:07 guu smtpd[39912]: e5f69cc9dc480e00 smtp event=connected address=193.233.191.252 host=nsecs.biotip.org.uk
Jun 17 14:59:07 guu smtpd[39912]: e5f69cc9dc480e00 smtp event=failed-command command="AUTH LOGIN" result="503 5.5.1 Invalid command: Command not supported"
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Brute-Force
🇩🇪
212.192.246.209
07 Jun 2022
Jun 7 13:26:51 guu smtpd[39912]: e5f698ea453b6ef9 smtp event=connected address=212.192.246.209 host ...
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Jun 7 13:26:51 guu smtpd[39912]: e5f698ea453b6ef9 smtp event=connected address=212.192.246.209 host=212.192.246.209
Jun 7 13:26:51 guu smtpd[39912]: e5f698ea453b6ef9 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇸🇪
178.73.215.171
07 Jun 2022
Jun 7 09:52:24 guu smtpd[39912]: e5f698da1a68c042 smtp event=closed reason=quit
Jun 7 10:10:28 gu ...
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Jun 7 09:52:24 guu smtpd[39912]: e5f698da1a68c042 smtp event=closed reason=quit
Jun 7 10:10:28 guu smtpd[39912]: e5f698dfe63cc6a5 smtp event=connected address=178.73.215.171 host=178-73-215-171-static.glesys.net
Jun 7 10:10:38 guu smtpd[39912]: e5f698dfe63cc6a5 smtp event=closed reason="io-error: Connection reset by peer"
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Port Scan
🇳🇱
85.202.168.46
07 Jun 2022
Jun 7 09:52:24 guu smtpd[39912]: e5f698da1a68c042 smtp event=connected address=85.202.168.46 host=c ...
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Jun 7 09:52:24 guu smtpd[39912]: e5f698da1a68c042 smtp event=connected address=85.202.168.46 host=catmill.co
Jun 7 09:52:24 guu smtpd[39912]: e5f698da1a68c042 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇳🇱
195.133.18.159
07 Jun 2022
Jun 7 06:14:16 guu smtpd[39912]: e5f698d51df035ce smtp event=connected address=195.133.18.159 host= ...
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Jun 7 06:14:16 guu smtpd[39912]: e5f698d51df035ce smtp event=connected address=195.133.18.159 host=195.133.18.159
Jun 7 06:14:16 guu smtpd[39912]: e5f698d51df035ce smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇳🇱
194.31.98.154
07 Jun 2022
Jun 7 04:19:08 guu smtpd[39912]: e5f698c7e2fc3d38 smtp event=connected address=194.31.98.154 host=1 ...
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Jun 7 04:19:08 guu smtpd[39912]: e5f698c7e2fc3d38 smtp event=connected address=194.31.98.154 host=194.31.98.154
Jun 7 04:19:09 guu smtpd[39912]: e5f698c7e2fc3d38 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇳🇱
2.58.149.16
06 Jun 2022
Jun 6 23:55:06 guu smtpd[39912]: e5f698b89e6d9d37 smtp event=connected address=2.58.149.16 host=2.5 ...
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Jun 6 23:55:06 guu smtpd[39912]: e5f698b89e6d9d37 smtp event=connected address=2.58.149.16 host=2.58.149.16
Jun 6 23:55:06 guu smtpd[39912]: e5f698b89e6d9d37 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Port Scan
🇺🇸
192.241.221.148
06 Jun 2022
Jun 6 23:20:17 guu smtpd[39912]: e5f698b6d536327b smtp event=connected address=192.241.221.148 host ...
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Jun 6 23:20:17 guu smtpd[39912]: e5f698b6d536327b smtp event=connected address=192.241.221.148 host=zg-0421d-180.stretchoid.com
Jun 6 23:20:17 guu smtpd[39912]: e5f698b6d536327b smtp event=failed-command command="MGLNDD_xxx.xxx.xxx.x_25" result="500 5.5.1 Invalid command: Command unrecognized"
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Port Scan
🇳🇱
37.0.11.37
06 Jun 2022
Jun 6 21:27:29 guu smtpd[39912]: e5f698af5aae9610 smtp event=connected address=37.0.11.37 host=37.0 ...
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Jun 6 21:27:29 guu smtpd[39912]: e5f698af5aae9610 smtp event=connected address=37.0.11.37 host=37.0.11.37
Jun 6 21:27:29 guu smtpd[39912]: e5f698af5aae9610 smtp event=failed-command command="RCPT to:<[email protected] >" result="550 Invalid recipient"
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Email Spam
Brute-Force
🇺🇸
192.241.219.162
06 Jun 2022
Jun 6 18:46:33 guu smtpd[39912]: e5f698aac28beb5f smtp event=connected address=192.241.219.162 host ...
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Jun 6 18:46:33 guu smtpd[39912]: e5f698aac28beb5f smtp event=connected address=192.241.219.162 host=zg-0421c-141.stretchoid.com
Jun 6 18:46:33 guu smtpd[39912]: e5f698aac28beb5f smtp event=closed reason=quit
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Port Scan
🇨🇳
103.203.57.26
06 Jun 2022
Jun 6 21:49:04 guu smtpd[39912]: e5f698b471fcb270 smtp event=connected address=103.203.57.26 host=s ...
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Jun 6 21:49:04 guu smtpd[39912]: e5f698b471fcb270 smtp event=connected address=103.203.57.26 host=scan-57-26.security.ipip.net
Jun 6 21:49:04 guu smtpd[39912]: e5f698b471fcb270 smtp event=closed reason=disconnect
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Port Scan
🇺🇸
216.218.206.66
06 Jun 2022
Jun 6 19:55:11 guu smtpd[39912]: e5f698ad787d1893 smtp event=connected address=216.218.206.66 host= ...
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Jun 6 19:55:11 guu smtpd[39912]: e5f698ad787d1893 smtp event=connected address=216.218.206.66 host=scan-05.shadowserver.org
Jun 6 19:55:11 guu smtpd[39912]: e5f698ad787d1893 smtp event=closed reason=disconnect
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Port Scan