Merhaba,


tail -f /var/log/maillog ile canlı izleme yaptığımda aşağıdaki gibi loglar geliyor.

Bir sıkıntı mı var? Yoksa birileri bizim site üzerinden mail göndermeye çalışıyor red mi yiyor anlamadım tam. Loglar konusunda bilgili biri açıklayabilirse sevinirim..

Jun 27 08:01:52 mailserver postfix/smtpd[2978]: lost connection after DATA from unknown[102.32.67.81]
Jun 27 08:01:52 mailserver postfix/smtpd[2978]: disconnect from unknown[102.32.67.81] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:01:53 mailserver clamd[1139]: SelfCheck: Database status OK.
Jun 27 08:02:35 mailserver postfix/smtpd[9867]: connect from unknown[140.213.218.156]
Jun 27 08:02:36 mailserver postfix/smtpd[9867]: NOQUEUE: reject: RCPT from unknown[140.213.218.156]: 450 4.7.25 Client host rejected: cannot find your hostname, [140.213.218.156]; from=<satis@sitem.com> to=<satis@sitem.com> proto=ESMTP helo=<[140.213.218.156]>
Jun 27 08:02:37 mailserver postfix/smtpd[9867]: lost connection after DATA from unknown[140.213.218.156]
Jun 27 08:02:37 mailserver postfix/smtpd[9867]: disconnect from unknown[140.213.218.156] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:02:50 mailserver postfix/smtpd[2978]: warning: hostname icne-punitive.themedestiny.com does not resolve to address 141.98.11.84: Name or service not known
Jun 27 08:02:50 mailserver postfix/smtpd[2978]: connect from unknown[141.98.11.84]
Jun 27 08:02:53 mailserver postfix/smtpd[2978]: warning: unknown[141.98.11.84]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 08:02:53 mailserver postfix/smtpd[2978]: disconnect from unknown[141.98.11.84] ehlo=1 auth=0/1 quit=1 commands=2/3
Jun 27 08:03:00 mailserver postfix/smtpd[9867]: warning: hostname choice-178.themedestiny.com does not resolve to address 141.98.11.55: Name or service not known
Jun 27 08:03:00 mailserver postfix/smtpd[9867]: connect from unknown[141.98.11.55]
Jun 27 08:03:03 mailserver postfix/smtpd[9867]: warning: unknown[141.98.11.55]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 08:03:03 mailserver postfix/smtpd[9867]: disconnect from unknown[141.98.11.55] ehlo=1 auth=0/1 quit=1 commands=2/3
Jun 27 08:03:14 mailserver postfix/smtpd[2978]: connect from unknown[182.188.160.251]
Jun 27 08:03:14 mailserver postfix/smtpd[2978]: NOQUEUE: reject: RCPT from unknown[182.188.160.251]: 450 4.7.25 Client host rejected: cannot find your hostname, [182.188.160.251]; from=<hukuk@sitem.com> to=<hukuk@sitem.com> proto=ESMTP helo=<[182.188.160.251]>
Jun 27 08:03:15 mailserver postfix/smtpd[2978]: lost connection after DATA from unknown[182.188.160.251]
Jun 27 08:03:15 mailserver postfix/smtpd[2978]: disconnect from unknown[182.188.160.251] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:03:15 mailserver postfix/smtpd[9867]: connect from unknown[196.188.73.2]
Jun 27 08:03:16 mailserver postfix/smtpd[9867]: NOQUEUE: reject: RCPT from unknown[196.188.73.2]: 450 4.7.25 Client host rejected: cannot find your hostname, [196.188.73.2]; from=<yaziisl@sitem.com> to=<yaziisl@sitem.com> proto=ESMTP helo=<[196.188.73.2]>
Jun 27 08:03:17 mailserver postfix/smtpd[9867]: lost connection after DATA from unknown[196.188.73.2]
Jun 27 08:03:17 mailserver postfix/smtpd[9867]: disconnect from unknown[196.188.73.2] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:03:39 mailserver postfix/smtpd[2978]: connect from unknown[39.46.242.10]
Jun 27 08:03:39 mailserver postfix/smtpd[2978]: NOQUEUE: reject: RCPT from unknown[39.46.242.10]: 450 4.7.25 Client host rejected: cannot find your hostname, [39.46.242.10]; from=<lq@sitem.com> to=<lq@sitem.com> proto=ESMTP helo=<[39.46.242.10]>
Jun 27 08:03:40 mailserver postfix/smtpd[2978]: lost connection after DATA from unknown[39.46.242.10]
Jun 27 08:03:40 mailserver postfix/smtpd[2978]: disconnect from unknown[39.46.242.10] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:03:45 mailserver postfix/smtpd[9867]: warning: hostname surfacebetter.com does not resolve to address 185.36.81.58
Jun 27 08:03:45 mailserver postfix/smtpd[9867]: connect from unknown[185.36.81.58]
Jun 27 08:03:48 mailserver postfix/smtpd[9867]: warning: unknown[185.36.81.58]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 27 08:03:48 mailserver postfix/smtpd[9867]: disconnect from unknown[185.36.81.58] ehlo=1 auth=0/1 quit=1 commands=2/3
Jun 27 08:03:49 mailserver postfix/smtpd[2978]: connect from unknown[181.64.202.88]
Jun 27 08:03:50 mailserver postfix/smtpd[2978]: NOQUEUE: reject: RCPT from unknown[181.64.202.88]: 450 4.7.25 Client host rejected: cannot find your hostname, [181.64.202.88]; from=<cee72a58@sitem.com> to=<cee72a58@sitem.com> proto=ESMTP helo=<[200.4.244.19]>
Jun 27 08:03:51 mailserver postfix/smtpd[2978]: lost connection after DATA from unknown[181.64.202.88]
Jun 27 08:03:51 mailserver postfix/smtpd[2978]: disconnect from unknown[181.64.202.88] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:04:35 mailserver postfix/smtpd[9867]: warning: hostname c9116d93.virtua.com.br does not resolve to address 201.17.109.147: Name or service not known
Jun 27 08:04:35 mailserver postfix/smtpd[9867]: connect from unknown[201.17.109.147]
Jun 27 08:04:36 mailserver postfix/smtpd[9867]: NOQUEUE: reject: RCPT from unknown[201.17.109.147]: 450 4.7.25 Client host rejected: cannot find your hostname, [201.17.109.147]; from=<info@sitem.com> to=<info@sitem.com> proto=ESMTP helo=<c9116d93.virtua.com.br>
Jun 27 08:04:37 mailserver postfix/smtpd[9867]: lost connection after DATA from unknown[201.17.109.147]
Jun 27 08:04:37 mailserver postfix/smtpd[9867]: disconnect from unknown[201.17.109.147] ehlo=1 mail=1 rcpt=0/1 data=0/1 commands=2/4
Jun 27 08:04:41 mailserver postfix/smtpd[2978]: connect from unknown[103.163.49.211]
Jun 27 08:04:42 mailserver postfix/smtpd[2978]: NOQUEUE: reject: RCPT from unknown[103.163.49.211]: 450 4.7.25 Client host rejected: cannot find your hostname, [103.163.49.211]; from=<zoologistbicentennials@sitem.com> to=<zoologistbicentennials@sitem.com> proto=ESMTP helo=<[103.163.49.211]>