Semangat pagi Pak Syafril..

Wed 2018-10-31 13:29:20.898: [873673] Session 873673; child 0002
Wed 2018-10-31 13:29:20.898: [873673] Accepting SMTP connection from 
202.6.225.3:40362 to 172.16.0.6:25
Wed 2018-10-31 13:29:20.900: [873673] --> 220 bb.ptbmi.com ESMTP MDaemon 
18.0.2; Wed, 31 Oct 2018 13:29:20 +0700
Wed 2018-10-31 13:29:20.930: [873673] <-- EHLO mail.reveurhotels.com
Wed 2018-10-31 13:29:20.932: [873673] Performing SPF lookup 
(mail.reveurhotels.com / 202.6.225.3)
Wed 2018-10-31 13:29:21.952: [873673] *  Result: none; no SPF record in DNS
Wed 2018-10-31 13:29:21.952: [873673] ---- End SPF results
Wed 2018-10-31 13:29:21.953: [873673] --> 250-bb.ptbmi.com Hello 
mail.reveurhotels.com [202.6.225.3], pleased to meet you
Wed 2018-10-31 13:29:21.953: [873673] --> 250-ETRN
Wed 2018-10-31 13:29:21.953: [873673] --> 250-AUTH LOGIN PLAIN
Wed 2018-10-31 13:29:21.953: [873673] --> 250-8BITMIME
Wed 2018-10-31 13:29:21.953: [873673] --> 250-ENHANCEDSTATUSCODES
Wed 2018-10-31 13:29:21.953: [873673] --> 250-STARTTLS
Wed 2018-10-31 13:29:21.953: [873673] --> 250 SIZE 35840000
Wed 2018-10-31 13:29:21.978: [873673] <-- STARTTLS
Wed 2018-10-31 13:29:21.978: [873673] --> 220 2.7.0 Ready to start TLS
Wed 2018-10-31 13:29:22.064: [873673] SSL negotiation successful (TLS 1.2, 521 
bit key exchange, 256 bit AES encryption)
Wed 2018-10-31 13:29:22.401: [873673] <-- EHLO mail.reveurhotels.com
Wed 2018-10-31 13:29:22.401: [873673] Performing SPF lookup 
(mail.reveurhotels.com / 202.6.225.3)
Wed 2018-10-31 13:29:22.530: [873673] *  Result: none; no SPF record in DNS
Wed 2018-10-31 13:29:22.530: [873673] ---- End SPF results
Wed 2018-10-31 13:29:22.530: [873673] --> 250-bb.ptbmi.com Hello 
mail.reveurhotels.com [202.6.225.3], pleased to meet you
Wed 2018-10-31 13:29:22.530: [873673] --> 250-ETRN
Wed 2018-10-31 13:29:22.530: [873673] --> 250-AUTH LOGIN PLAIN
Wed 2018-10-31 13:29:22.530: [873673] --> 250-8BITMIME
Wed 2018-10-31 13:29:22.530: [873673] --> 250-ENHANCEDSTATUSCODES
Wed 2018-10-31 13:29:22.530: [873673] --> 250 SIZE 35840000
Wed 2018-10-31 13:29:22.575: [873673] <-- MAIL 
FROM:<reservations.javapara...@reveurhotels.com> SIZE=2779302 BODY=7BIT
Wed 2018-10-31 13:29:22.578: [873673] Performing PTR lookup 
(3.225.6.202.IN-ADDR.ARPA)
Wed 2018-10-31 13:29:22.639: [873673] *  D=3.225.6.202.in-addr.arpa TTL=(1440) 
PTR=[subnet-202-6-225-3.padinet.com]
Wed 2018-10-31 13:29:23.591: [873673] *  No A/AAAA records found
Wed 2018-10-31 13:29:23.591: [873673] *  MDaemon configured to drop connection 
on PTR record mismatch
Wed 2018-10-31 13:29:23.591: [873673] ---- End PTR results
Wed 2018-10-31 13:29:23.591: [873673] --> 501 5.7.0 Domain must resolve
Wed 2018-10-31 13:29:23.592: [873673] SMTP session terminated (Bytes in/out: 
1055/4047)
Wed 2018-10-31 13:29:23.592: ----------

Diketahui:
Wed 2018-10-31 13:29:22.401: [873673] Performing SPF lookup 
(mail.reveurhotels.com / 202.6.225.3)
Wed 2018-10-31 13:29:22.578: [873673] Performing PTR lookup 
(3.225.6.202.IN-ADDR.ARPA)
Wed 2018-10-31 13:29:22.639: [873673] *  D=3.225.6.202.in-addr.arpa TTL=(1440) 
PTR=[subnet-202-6-225-3.padinet.com]
Wed 2018-10-31 13:29:23.591: [873673] *  No A/AAAA records found

Action:
# PTR does not have A/AAA record
202.6.225.3            #mail.reveurhotels.com

Terima kasih,
Suzy
--
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