Dear pak syafril

mohon analisanya dari log berikut, user kami tidak dapat menerima email
dari luar (amos....@globecast.com), berikut lognya pak


Fri 2018-05-18 09:19:16.319: [404777] Session 404777; child 0003
Fri 2018-05-18 09:19:16.319: [404777] Accepting SMTP connection from
202.58.184.1:51133 to 10.0.0.6:25
Fri 2018-05-18 09:19:16.319: [404777] --> 220 mail.kompas.tv ESMTP MDaemon
17.0.2; Fri, 18 May 2018 09:19:16 +0700
Fri 2018-05-18 09:19:16.338: [404777] <-- EHLO smg.gca-sg.com
Fri 2018-05-18 09:19:16.338: [404777] --> 250-mail.kompas.tv Hello
smg.gca-sg.com [202.58.184.1], pleased to meet you
Fri 2018-05-18 09:19:16.338: [404777] --> 250-ETRN
Fri 2018-05-18 09:19:16.338: [404777] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Fri 2018-05-18 09:19:16.338: [404777] --> 250-8BITMIME
Fri 2018-05-18 09:19:16.338: [404777] --> 250-ENHANCEDSTATUSCODES
Fri 2018-05-18 09:19:16.338: [404777] --> 250 SIZE 20480000
Fri 2018-05-18 09:19:16.359: [404777] <-- MAIL FROM:<amos....@globecast.com>
SIZE=18842
Fri 2018-05-18 09:19:16.361: [404777] Performing PTR lookup
(1.184.58.202.IN-ADDR.ARPA)
Fri 2018-05-18 09:19:16.798: [404777] *  D=1.184.58.202.IN-ADDR.ARPA
TTL=(4) PTR=[ns1648.ztomy.com]
Fri 2018-05-18 09:19:16.823: [404777] *  D=ns1648.ztomy.com TTL=(0)
A=[204.11.56.48]
Fri 2018-05-18 09:19:16.824: [404777] *  MDaemon configured to drop
connection on PTR record mismatch
Fri 2018-05-18 09:19:16.824: [404777] ---- End PTR results
Fri 2018-05-18 09:19:16.824: [404777] --> 501 5.7.0 Domain must resolve
Fri 2018-05-18 09:19:16.824: [404777] SMTP session terminated (Bytes
in/out: 68/281)

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