Dear Pak Syafril,

Mohon kiranya di review logs berikut ya pak, apakah yang harus saya sampaikan 
ke CBN ?, sbb :

Wed 2021-07-14 10:20:29.246: ----------
Wed 2021-07-14 10:20:26.710: [468735] Session 468735; child 0003
Wed 2021-07-14 10:20:26.710: [468735] Accepting SMTP connection from 
66.240.252.10:58421 to 192.168.1.19:25
Wed 2021-07-14 10:20:26.713: [468735] --> 220 mail.aio.co.id ESMTP Wed, 14 Jul 
2021 10:20:26 +0700
Wed 2021-07-14 10:20:26.912: [468735] <-- EHLO server-1.cbn.net.id
Wed 2021-07-14 10:20:26.912: [468735] --> 250-mail.aio.co.id Hello 
server-1.cbn.net.id [66.240.252.10], pleased to meet you
Wed 2021-07-14 10:20:26.912: [468735] --> 250-ETRN
Wed 2021-07-14 10:20:26.912: [468735] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Wed 2021-07-14 10:20:26.912: [468735] --> 250-8BITMIME
Wed 2021-07-14 10:20:26.912: [468735] --> 250-ENHANCEDSTATUSCODES
Wed 2021-07-14 10:20:26.912: [468735] --> 250 SIZE 52428800
Wed 2021-07-14 10:20:27.111: [468735] <-- MAIL FROM:<> SIZE=23651
Wed 2021-07-14 10:20:27.112: [468735] Performing PTR lookup 
(10.252.240.66.IN-ADDR.ARPA)
Wed 2021-07-14 10:20:27.319: [468735] *  D=10.252.240.66.IN-ADDR.ARPA TTL=(359) 
PTR=[server-1.cbn.net.id]
Wed 2021-07-14 10:20:27.335: [468735] *  D=server-1.cbn.net.id TTL=(235) 
A=[66.240.252.10]
Wed 2021-07-14 10:20:27.335: [468735] ---- End PTR results
Wed 2021-07-14 10:20:27.337: [468735] Performing IP lookup (server-1.cbn.net.id)
Wed 2021-07-14 10:20:27.338: [468735] *  D=server-1.cbn.net.id TTL=(235) 
A=[66.240.252.10]
Wed 2021-07-14 10:20:27.338: [468735] ---- End IP lookup results
Wed 2021-07-14 10:20:27.339: [468735] Performing SPF lookup 
(server-1.cbn.net.id / 66.240.252.10)
Wed 2021-07-14 10:20:27.402: [468735] *  Result: none; no SPF record in DNS
Wed 2021-07-14 10:20:27.402: [468735] ---- End SPF results
Wed 2021-07-14 10:20:27.402: [468735] --> 250 2.1.0 Sender OK
Wed 2021-07-14 10:20:27.602: [468735] <-- RCPT 
TO:<[email protected]>
Wed 2021-07-14 10:20:27.602: [468735] Performing Backscatter Protection...
Wed 2021-07-14 10:20:27.602: [468735] *  Address: 
[email protected]
Wed 2021-07-14 10:20:27.602: [468735] *  Verifier: key=1 date=827 sha-1 
hmac=ef7355
Wed 2021-07-14 10:20:27.602: [468735] *  Result: pass
Wed 2021-07-14 10:20:27.602: [468735] --- End Backscatter Protection
Wed 2021-07-14 10:20:27.604: [468735] Performing DNS-BL lookup (66.240.252.10 - 
connecting IP)
Wed 2021-07-14 10:20:27.624: [468735] *  zen.spamhaus.org - passed
Wed 2021-07-14 10:20:27.624: [468735] ---- End DNS-BL results
Wed 2021-07-14 10:20:27.626: [468735] --> 250 2.1.5 Recipient OK
Wed 2021-07-14 10:20:27.825: [468735] <-- DATA
Wed 2021-07-14 10:20:27.827: [468735] Creating temp file (SMTP): 
c:\mdaemon\temp\md50007386817.tmp
Wed 2021-07-14 10:20:27.827: [468735] --> 354 Enter mail, end with <CRLF>.<CRLF>
Wed 2021-07-14 10:20:28.427: [468735] Message size: 23651 bytes
Wed 2021-07-14 10:20:28.430: [468735] Performing DKIM lookup
Wed 2021-07-14 10:20:28.430: [468735] *  File: c:\mdaemon\temp\md50007386817.tmp
Wed 2021-07-14 10:20:28.430: [468735] *  Message-ID: 
<[email protected]>
Wed 2021-07-14 10:20:28.430: [468735] *  Result: neutral
Wed 2021-07-14 10:20:28.430: [468735] ---- End DKIM results
Wed 2021-07-14 10:20:28.433: [468735] Performing DMARC processing
Wed 2021-07-14 10:20:28.433: [468735] *  File: c:\mdaemon\temp\md50007386817.tmp
Wed 2021-07-14 10:20:28.433: [468735] *  Message-ID: 
<[email protected]>
Wed 2021-07-14 10:20:28.433: [468735] *  Author domain: server-1.cbn.net.id
Wed 2021-07-14 10:20:28.433: [468735] *  Organizational domain: cbn.net.id
Wed 2021-07-14 10:20:28.433: [468735] *  Query domain: 
_dmarc.server-1.cbn.net.id
Wed 2021-07-14 10:20:28.496: [468735] *    No DMARC policy record found
Wed 2021-07-14 10:20:28.496: [468735] *  Query domain: _dmarc.cbn.net.id
Wed 2021-07-14 10:20:28.496: [468735] *    Policy record (from cache): 
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
Wed 2021-07-14 10:20:28.501: [468735] *  Checking authentication mechanisms for 
DMARC alignment
Wed 2021-07-14 10:20:28.501: [468735] *    SPF: no SPF policy found
Wed 2021-07-14 10:20:28.501: [468735] *    DKIM: no DKIM signatures found
Wed 2021-07-14 10:20:28.501: [468735] *  Action taken: quarantine
Wed 2021-07-14 10:20:28.501: [468735] *  Result: fail
Wed 2021-07-14 10:20:28.501: [468735] ---- End DMARC results
Wed 2021-07-14 10:20:28.506: [468735] Passing message through AntiVirus (Size: 
23651)...
Wed 2021-07-14 10:20:28.591: [468735] *  Message is clean (no viruses found) 
scanned by (ClamAV)
Wed 2021-07-14 10:20:28.591: [468735] ---- End AntiVirus results
Wed 2021-07-14 10:20:28.744: [468735] Passing message through Outbreak 
Protection...
Wed 2021-07-14 10:20:28.744: [468735] *  Message-ID: 
<[email protected]>
Wed 2021-07-14 10:20:28.744: [468735] *  Reference-ID: 
str=0001.0A673430.60EE57FC.0073,ss=1,re=0.000,recu=0.000,reip=0.000,vtr=str,vl=0,cl=1,cld=1,fgs=256
Wed 2021-07-14 10:20:28.744: [468735] *  Virus result: 0 - Clean
Wed 2021-07-14 10:20:28.745: [468735] *  Spam result: 1 - Clean
Wed 2021-07-14 10:20:28.745: [468735] *  IWF result: 0 - Clean
Wed 2021-07-14 10:20:28.745: [468735] ---- End Outbreak Protection results
Wed 2021-07-14 10:20:28.745: [468735] Passing message through Spam Filter 
(Size: 23651)...
Wed 2021-07-14 10:20:29.147: [468735] *  0.0 URIBL_BLOCKED ADMINISTRATOR 
NOTICE: The query to URIBL was
Wed 2021-07-14 10:20:29.147: [468735] *      blocked.  See
Wed 2021-07-14 10:20:29.147: [468735] *      
http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block
Wed 2021-07-14 10:20:29.147: [468735] *      for more information.
Wed 2021-07-14 10:20:29.147: [468735] *      [URIs: yahoodns.net]
Wed 2021-07-14 10:20:29.147: [468735] * -4.0 BAYES_00 BODY: Bayes spam 
probability is 0 to 1%
Wed 2021-07-14 10:20:29.147: [468735] *      [score: 0.0000]
Wed 2021-07-14 10:20:29.147: [468735] ---- End SpamAssassin results
Wed 2021-07-14 10:20:29.147: [468735] Spam Filter score/req: -4.00/12.0
Wed 2021-07-14 10:20:29.354: [468735] Message creation successful: 
c:\mdaemon\inbound\md50027692687.msg
Wed 2021-07-14 10:20:29.354: [468735] --> 250 2.6.0 Ok, message saved 
<Message-ID: <[email protected]>>
Wed 2021-07-14 10:20:29.354: [468735] <-- QUIT
Wed 2021-07-14 10:20:29.354: [468735] --> 221 2.0.0 See ya in cyberspace
Wed 2021-07-14 10:20:29.355: [468735] SMTP session successful (Bytes in/out: 
23764/449)
Wed 2021-07-14 10:20:29.362: ----------

Best Regards,

Slamet Raharjo
IT Dept.



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