Siang Pak Syafril,

Mohon update beberapa log berikut :
Fri 2016-08-26 00:26:28.624: [794668] Session 794668; child 0001
Fri 2016-08-26 00:26:28.624: [794668] Accepting SMTP connection from
180.178.108.234:59113 to 10.10.51.165:25
Fri 2016-08-26 00:26:28.624: [794668] --> 220 mail.asanusa.com ESMTP
MDaemon 16.0.4; Fri, 26 Aug 2016 00:26:28 +0700
Fri 2016-08-26 00:26:28.626: [794668] <-- EHLO webmail.bnisecurities.co.id
Fri 2016-08-26 00:26:28.626: [794668] --> 250-mail.asanusa.com Hello
webmail.bnisecurities.co.id [180.178.108.234], pleased to meet you
Fri 2016-08-26 00:26:28.626: [794668] --> 250-ETRN
Fri 2016-08-26 00:26:28.626: [794668] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Fri 2016-08-26 00:26:28.626: [794668] --> 250-8BITMIME
Fri 2016-08-26 00:26:28.626: [794668] --> 250-ENHANCEDSTATUSCODES
Fri 2016-08-26 00:26:28.626: [794668] --> 250-STARTTLS
Fri 2016-08-26 00:26:28.626: [794668] --> 250 SIZE 20240000
Fri 2016-08-26 00:26:28.628: [794668] <-- STARTTLS
Fri 2016-08-26 00:26:28.628: [794668] --> 220 2.7.0 Ready to start TLS
Fri 2016-08-26 00:26:28.852: [794668] SSL negotiation successful (TLS 1.0,
256 bit key exchange, 128 bit AES encryption)
Fri 2016-08-26 00:26:28.853: [794668] <-- EHLO webmail.bnisecurities.co.id
Fri 2016-08-26 00:26:28.853: [794668] --> 250-mail.asanusa.com Hello
webmail.bnisecurities.co.id [180.178.108.234], pleased to meet you
Fri 2016-08-26 00:26:28.853: [794668] --> 250-ETRN
Fri 2016-08-26 00:26:28.853: [794668] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Fri 2016-08-26 00:26:28.853: [794668] --> 250-8BITMIME
Fri 2016-08-26 00:26:28.853: [794668] --> 250-ENHANCEDSTATUSCODES
Fri 2016-08-26 00:26:28.853: [794668] --> 250 SIZE 20240000
Fri 2016-08-26 00:26:28.855: [794668] <-- MAIL FROM:<
adhy.setiaput...@bnisecurities.co.id>
Fri 2016-08-26 00:26:28.858: [794668] Performing PTR lookup
(234.108.178.180.IN-ADDR.ARPA)
Fri 2016-08-26 00:26:30.365: [794668] *  D=234.108.178.180.IN-ADDR.ARPA
TTL=(31) PTR=[ip-108-234.hyper.net.id]
Fri 2016-08-26 00:26:31.892: [794668] *  No A/AAAA records found
Fri 2016-08-26 00:26:31.892: [794668] *  MDaemon configured to drop
connection on PTR record mismatch
Fri 2016-08-26 00:26:31.892: [794668] ---- End PTR results
Fri 2016-08-26 00:26:31.892: [794668] --> 501 5.7.0 Domain must resolve
Fri 2016-08-26 00:26:31.893: [794668] SMTP session terminated (Bytes
in/out: 523/2022)

-------
Fri 2016-08-26 09:02:38.271: [794813] Session 794813; child 0001
Fri 2016-08-26 09:02:38.271: [794813] Accepting SMTP connection from
118.97.156.228:6579 to 10.10.51.165:25
Fri 2016-08-26 09:02:38.272: [794813] --> 220 mail.asanusa.com ESMTP
MDaemon 16.0.4; Fri, 26 Aug 2016 09:02:38 +0700
Fri 2016-08-26 09:02:38.277: [794813] <-- EHLO ironport.generali.co.id
Fri 2016-08-26 09:02:38.277: [794813] --> 250-mail.asanusa.com Hello
ironport.generali.co.id [118.97.156.228], pleased to meet you
Fri 2016-08-26 09:02:38.277: [794813] --> 250-ETRN
Fri 2016-08-26 09:02:38.277: [794813] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Fri 2016-08-26 09:02:38.277: [794813] --> 250-8BITMIME
Fri 2016-08-26 09:02:38.277: [794813] --> 250-ENHANCEDSTATUSCODES
Fri 2016-08-26 09:02:38.277: [794813] --> 250-STARTTLS
Fri 2016-08-26 09:02:38.277: [794813] --> 250 SIZE 20240000
Fri 2016-08-26 09:02:38.283: [794813] <-- MAIL FROM:<
made.herly...@generali.co.id> SIZE=907075
Fri 2016-08-26 09:02:38.286: [794813] Performing PTR lookup
(228.156.97.118.IN-ADDR.ARPA)
Fri 2016-08-26 09:02:39.793: [794813] *  D=228.156.97.118.IN-ADDR.ARPA
TTL=(394) PTR=[228.subnet118-97-156.static.astinet.telkom.net.id]
Fri 2016-08-26 09:02:40.672: [794813] *  No A/AAAA records found
Fri 2016-08-26 09:02:40.672: [794813] *  MDaemon configured to drop
connection on PTR record mismatch
Fri 2016-08-26 09:02:40.672: [794813] ---- End PTR results
Fri 2016-08-26 09:02:40.672: [794813] --> 501 5.7.0 Domain must resolve
Fri 2016-08-26 09:02:40.672: [794813] SMTP session terminated (Bytes
in/out: 84/310)

Terima kasih.

Regards,
--dedy

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