Semangat Pagi Pak Syahfril

Pak Syahrfril, ada user yang tidak menerima email, saya cari di SMPT – (IN) Log 
sbb:
Thu 2018-11-15 23:00:07.910: [200962] Session 200962; child 0001
Thu 2018-11-15 23:00:07.910: [200962] Accepting SMTP connection from 
67.90.248.40:1368 to 172.16.0.6:25
Thu 2018-11-15 23:00:07.911: [200962] --> 220 bb.ptbmi.com ESMTP MDaemon 
18.0.2; Thu, 15 Nov 2018 23:00:07 +0700
Thu 2018-11-15 23:00:08.143: [200962] <-- EHLO public.smtp01p-clk.pacseafood.com
Thu 2018-11-15 23:00:08.143: [200962] Performing SPF lookup 
(public.smtp01p-clk.pacseafood.com / 67.90.248.40)
Thu 2018-11-15 23:00:09.165: [200962] *  Result: none; no SPF record in DNS
Thu 2018-11-15 23:00:09.165: [200962] ---- End SPF results
Thu 2018-11-15 23:00:09.165: [200962] --> 250-bb.ptbmi.com Hello 
public.smtp01p-clk.pacseafood.com [67.90.248.40], pleased to meet you
Thu 2018-11-15 23:00:09.165: [200962] --> 250-ETRN
Thu 2018-11-15 23:00:09.165: [200962] --> 250-AUTH LOGIN PLAIN
Thu 2018-11-15 23:00:09.165: [200962] --> 250-8BITMIME
Thu 2018-11-15 23:00:09.165: [200962] --> 250-ENHANCEDSTATUSCODES
Thu 2018-11-15 23:00:09.165: [200962] --> 250-STARTTLS
Thu 2018-11-15 23:00:09.165: [200962] --> 250 SIZE 35840000
Thu 2018-11-15 23:00:09.421: [200962] <-- STARTTLS
Thu 2018-11-15 23:00:09.421: [200962] --> 220 2.7.0 Ready to start TLS
Thu 2018-11-15 23:00:09.934: [200962] SSL negotiation successful (TLS 1.2, 521 
bit key exchange, 256 bit AES encryption)
Thu 2018-11-15 23:00:10.168: [200962] <-- EHLO public.smtp01p-clk.pacseafood.com
Thu 2018-11-15 23:00:10.168: [200962] Performing SPF lookup 
(public.smtp01p-clk.pacseafood.com / 67.90.248.40)
Thu 2018-11-15 23:00:10.280: [200962] *  Result: none; no SPF record in DNS
Thu 2018-11-15 23:00:10.280: [200962] ---- End SPF results
Thu 2018-11-15 23:00:10.280: [200962] --> 250-bb.ptbmi.com Hello 
public.smtp01p-clk.pacseafood.com [67.90.248.40], pleased to meet you
Thu 2018-11-15 23:00:10.280: [200962] --> 250-ETRN
Thu 2018-11-15 23:00:10.280: [200962] --> 250-AUTH LOGIN PLAIN
Thu 2018-11-15 23:00:10.280: [200962] --> 250-8BITMIME
Thu 2018-11-15 23:00:10.280: [200962] --> 250-ENHANCEDSTATUSCODES
Thu 2018-11-15 23:00:10.280: [200962] --> 250 SIZE 35840000
Thu 2018-11-15 23:00:10.519: [200962] <-- MAIL FROM:<njenk...@pacseafood.com> 
SIZE=40028
Thu 2018-11-15 23:00:10.522: [200962] Performing PTR lookup 
(40.248.90.67.IN-ADDR.ARPA)
Thu 2018-11-15 23:00:10.560: [200962] *  D=40.248.90.67.in-addr.arpa TTL=(59) 
PTR=[public.smtpgw01.pacseafood.com]
Thu 2018-11-15 23:00:10.811: [200962] *  D=public.smtpgw01.pacseafood.com 
TTL=(59) A=[67.90.248.40]
Thu 2018-11-15 23:00:10.811: [200962] ---- End PTR results
Thu 2018-11-15 23:00:10.812: [200962] Performing IP lookup 
(public.smtp01p-clk.pacseafood.com)
Thu 2018-11-15 23:00:10.883: [200962] *  DNS server reports domain name unknown
Thu 2018-11-15 23:00:10.883: [200962] ---- End IP lookup results
Thu 2018-11-15 23:00:10.883: [200962] --> 501 5.7.0 
public.smtp01p-clk.pacseafood.com host can't be resolved
Thu 2018-11-15 23:00:10.883: [200962] SMTP session terminated (Bytes in/out: 
797/4123)

Di ketahui :
Thu 2018-11-15 23:00:10.883: [200962] *  DNS server reports domain name unknown

Action : 
Tambahkan di Mdaemon > APP > ReverseXcpt.dat 
67.90.248.40      public.smtpgw01.pacseafood.com


Betul ya Pak ?
Mohon pencerahan

Terimakasih
Rievo
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