Apr 21 05:26:00 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:26:00 web01.agentur-b-2.de postfix/smtpd[1805328]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:27:05 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:31:18 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7

Apr 17 05:22:40 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:23:23 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:25:52 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:27:59 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[208.187.167.75]

Mar 12 14:25:38 mail.srvfarm.net postfix/smtpd[1850438]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:25:38 mail.srvfarm.net postfix/smtpd[1850354]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:27:54 mail.srvfarm.net postfix/smtpd[1850354]: NOQUEUE: reject: RCPT from majestic.onvacationnow.com[208.187.167.75]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 12 14:27:54 mail.srvfarm.net postfix/smtpd[1850433]: NOQUEUE: reje

Postfix DNSBL listed. Trying to send SPAM.

Jun  8 13:51:03 web01.agentur-b-2.de postfix/smtpd[1448944]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1456096]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1453964]: NOQUEUE: reject: RCPT from unknown[208.187.167.76]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  8 14:00:36 web01.agentur-b-2.de postfix/smtpd[1460346]: NOQUEUE: reject: RCPT from unknown[208.187.167.

2020-05-02 1jUirD-0003j0-HR H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] rejected **REMOVED** : REJECTED - You seem to be a spammer!
2020-05-02 H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] F=\ rejected RCPT \<**REMOVED**@**REMOVED**.de\>: Mail not accepted. 208.187.167.69 is listed at a DNSBL.
2020-05-02 H=hypnotic.onvacationnow.com \(hypnotic.awaykart.com\) \[208.187.167.69\] F=\ rejected RCPT \: Mail not accepted. 208.187.167.69 is listed at a DNSBL.

Apr 25 05:25:59 mail.srvfarm.net postfix/smtpd[850679]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:26:01 mail.srvfarm.net postfix/smtpd[847819]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:29:57 mail.srvfarm.net postfix/smtpd[849934]: NOQUEUE: reject: RCPT from unknown[208.187.167.80]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:35:29 mail.srvfarm.net postfix/smtpd[852086]: NOQUEUE: reject: RCPT f

Apr 13 10:27:49 mail.srvfarm.net postfix/smtpd[794361]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:29:00 mail.srvfarm.net postfix/smtpd[794365]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:36:06 mail.srvfarm.net postfix/smtpd[794365]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 13 10:36:08 mail.srvfarm.net postfix/smtpd[797902]: NOQUEUE: reject: RCPT from unknown[208.187.167.85]: 450 4.1.8 

Apr  4 16:42:12 mail.srvfarm.net postfix/smtpd[3342044]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from= to= proto=ESMTP helo=
Apr  4 16:42:12 mail.srvfarm.net postfix/smtpd[3337935]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from= to= proto=ESMTP helo=
Apr  4 16:44:05 mail.srvfarm.net postfix/smtpd[3335114]: NOQUEUE: reject: RCPT from unknown[208.187.167.79]: 554 5.7.1 Service unavailable; Client host [208.187.167.79] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?208.187.167.79; from=

Apr  2 05:32:28 mail.srvfarm.net postfix/smtpd[1752159]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:32:55 mail.srvfarm.net postfix/smtpd[1753889]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:36:27 mail.srvfarm.net postfix/smtpd[1753858]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:36:27 mail.srvfarm.net postfix/smtpd[1755246]: NOQUEUE: reject: RCPT from own.onvacationnow.

Mar 29 05:25:28 mail.srvfarm.net postfix/smtpd[770787]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Mar 29 05:25:29 mail.srvfarm.net postfix/smtpd[760944]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Mar 29 05:25:30 mail.srvfarm.net postfix/smtpd[755659]: NOQUEUE: reject: RCPT from own.onvacationnow.com[208.187.167.81]: 554 5.7.1 Service unavailable; Client host [208.187.167.81] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to=

Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918921]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918666]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918860]: NOQUEUE: reject: RCPT from unknown[208.187.167.69]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 14:27:48 mail.srvfarm.net postfix/smtpd[3918862]: NOQUEUE: reject: RCPT from unknown[208.187.16

Mar  6 05:31:28 mail.srvfarm.net postfix/smtpd[1923012]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:35 mail.srvfarm.net postfix/smtpd[1924586]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:37 mail.srvfarm.net postfix/smtpd[1924634]: NOQUEUE: reject: RCPT from unknown[208.187.167.77]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  6 05:31:47 mail.srvfarm.net postfix/smtpd[1924638]: NOQUEUE: reject: RCPT from unknown[208.1

Postfix RBL failed

$f2bV_matches

email spam

email spam

Nov 18 07:29:56 web01 postfix/smtpd[13295]: connect from hexagon.onvacationnow.com[208.187.167.80]
Nov 18 07:29:56 web01 policyd-spf[14341]: None; identhostnamey=helo; client-ip=208.187.167.80; helo=hexagon.shandarnews.com; envelope-from=x@x
Nov 18 07:29:56 web01 policyd-spf[14341]: Pass; identhostnamey=mailfrom; client-ip=208.187.167.80; helo=hexagon.shandarnews.com; envelope-from=x@x
Nov x@x
Nov 18 07:29:56 web01 postfix/smtpd[13295]: disconnect from hexagon.onvacationnow.com[208.187.167.80]
Nov 18 07:34:19 web01 postfix/smtpd[13453]: connect from hexagon.onvacationnow.com[208.187.167.80]
Nov 18 07:34:20 web01 policyd-spf[14496]: None; identhostnamey=helo; client-ip=208.187.167.80; helo=hexagon.shandarnews.com; envelope-from=x@x
Nov 18 07:34:20 web01 policyd-spf[14496]: Pass; identhostnamey=mailfrom; client-ip=208.187.167.80; helo=hexagon.shandarnews.com; envelope-from=x@x
Nov x@x
Nov 18 07:34:20 web01 postfix/smtpd[13453]: disconnect from hexagon.onvacationnow.com[20........
-------------------------------

Autoban   208.187.167.10 AUTH/CONNECT

Mar 27 19:49:33 debian sshd[27718]: Unable to negotiate with 92.222.167.246 port 53624: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
Mar 27 19:51:19 debian sshd[27839]: Unable to negotiate with 92.222.167.246 port 39578: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
...

Mar 28 01:17:05 pkdns2 sshd\[28889\]: Invalid user liw from 151.80.45.136Mar 28 01:17:07 pkdns2 sshd\[28889\]: Failed password for invalid user liw from 151.80.45.136 port 45198 ssh2Mar 28 01:20:12 pkdns2 sshd\[29021\]: Invalid user fmm from 151.80.45.136Mar 28 01:20:14 pkdns2 sshd\[29021\]: Failed password for invalid user fmm from 151.80.45.136 port 58076 ssh2Mar 28 01:23:20 pkdns2 sshd\[29124\]: Invalid user zhangwj from 151.80.45.136Mar 28 01:23:22 pkdns2 sshd\[29124\]: Failed password for invalid user zhangwj from 151.80.45.136 port 42738 ssh2
...

proto=tcp  .  spt=37636  .  dpt=25  .     Found on   Blocklist de       (705)

proto=tcp  .  spt=58770  .  dpt=25  .     Found on   Blocklist de       (702)

Invalid user demo from 147.135.233.199 port 50234

Mar 28 00:50:37 mout sshd[31612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.183.212.198
Mar 28 00:50:37 mout sshd[31612]: Invalid user shc from 81.183.212.198 port 17057
Mar 28 00:50:40 mout sshd[31612]: Failed password for invalid user shc from 81.183.212.198 port 17057 ssh2

SSH Brute-Force Attack

Automatic report - Port Scan Attack

proto=tcp  .  spt=35244  .  dpt=25  .     Found on   Blocklist de       (712)

Invalid user nge from 69.229.6.8 port 36318

Fail2Ban Ban Triggered (2)

Unauthorized connection attempt from IP address 200.41.183.233 on Port 445(SMB)

Invalid user sonaruser from 45.236.90.68 port 58984

proto=tcp  .  spt=59256  .  dpt=25  .     Found on   Dark List de      (706)

2020-03-27T23:13:21.948954homeassistant sshd[1557]: Invalid user admin from 221.224.211.174 port 39240
2020-03-27T23:13:21.955905homeassistant sshd[1557]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.224.211.174
...