> Bisa diperlihatkan transkrip log tolakkannya?

Maaf pak... baru respon hari ini.

Berikut log nya pak...

Wed 2022-03-16 09:46:23.587: ----------
Wed 2022-03-16 09:46:27.239: [14838300] Session 14838300; child 0006
Wed 2022-03-16 09:46:27.240: [14838300] Accepting SMTP connection from 
168.245.54.128:8578 to 172.16.200.2:25
Wed 2022-03-16 09:46:27.240: [14838300] Location Screen says connection is 
from United States, North America
Wed 2022-03-16 09:46:27.241: [14838300] --> 220 mail2.equity.id ESMTP 
MDaemon 21.5.2; Wed, 16 Mar 2022 09:46:27 +0700
Wed 2022-03-16 09:46:27.554: [14838300] <-- EHLO o1.em.happy5.co
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-mail2.equity.id Hello 
o1.em.happy5.co [168.245.54.128], pleased to meet you
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-ETRN
Wed 2022-03-16 09:46:27.554: [14838300] Location Screening hiding AUTH from 
country United States, North America
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-8BITMIME
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-ENHANCEDSTATUSCODES
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-PIPELINING
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-CHUNKING
Wed 2022-03-16 09:46:27.554: [14838300] --> 250-STARTTLS
Wed 2022-03-16 09:46:27.554: [14838300] --> 250 SIZE 20971520
Wed 2022-03-16 09:46:27.868: [14838300] <-- STARTTLS
Wed 2022-03-16 09:46:27.868: [14838300] --> 220 2.7.0 Ready to start TLS
Wed 2022-03-16 09:46:28.527: [14838300] SSL negotiation successful (TLS 1.2, 
521 bit key exchange, 128 bit AES encryption)
Wed 2022-03-16 09:46:28.839: [14838300] <-- EHLO o1.em.happy5.co
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-mail2.equity.id Hello 
o1.em.happy5.co [168.245.54.128], pleased to meet you
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-ETRN
Wed 2022-03-16 09:46:28.839: [14838300] Location Screening hiding AUTH from 
country United States, North America
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-8BITMIME
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-ENHANCEDSTATUSCODES
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-PIPELINING
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-CHUNKING
Wed 2022-03-16 09:46:28.839: [14838300] --> 250-REQUIRETLS
Wed 2022-03-16 09:46:28.839: [14838300] --> 250 SIZE 20971520
Wed 2022-03-16 09:46:29.190: [14838300] <-- MAIL 
FROM:<bounces+1894545-3c9f-trisna.t=equity...@em79.happy5.co> BODY=8BITMIME
Wed 2022-03-16 09:46:29.196: [14838300] --> 550 5.7.1 Sender unknown
Wed 2022-03-16 09:46:29.196: [14838300] Host screening refused connection to 
127.0.0.1:25 from o1.em.happy5.co [168.245.54.128:8578] (matched to line 
"all *.co refuse")
Wed 2022-03-16 09:46:29.199: [14838300] SMTP session terminated (Bytes 
in/out: 767/5282)
Wed 2022-03-16 09:46:29.200: ----------

Kami sudah menghapus line "all *.co refuse" pada Host Screen server kami 
pada tgl 16-17 Maret yang lalu sejak diketemukan log tersebut.
Namun pada hari ini terjadi lagi  email bounce dari pengirim yang sama 
dengan error yang sama seperti log dibawah ini :


Tue 2022-03-22 07:52:57.827: ----------
Tue 2022-03-22 07:53:09.984: [15030571] Session 15030571; child 0010
Tue 2022-03-22 07:53:09.984: [15030571] Accepting SMTP connection from 
168.245.54.128:5698 to 172.16.200.2:25
Tue 2022-03-22 07:53:09.985: [15030571] --> 220 mail2.equity.id ESMTP 
MDaemon 21.5.2; Tue, 22 Mar 2022 07:53:09 +0700
Tue 2022-03-22 07:53:10.246: [15030571] <-- EHLO o1.em.happy5.co
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-mail2.equity.id Hello 
o1.em.happy5.co [168.245.54.128], pleased to meet you
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-ETRN
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-8BITMIME
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-ENHANCEDSTATUSCODES
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-PIPELINING
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-CHUNKING
Tue 2022-03-22 07:53:10.247: [15030571] --> 250-STARTTLS
Tue 2022-03-22 07:53:10.247: [15030571] --> 250 SIZE 20971520
Tue 2022-03-22 07:53:10.508: [15030571] <-- STARTTLS
Tue 2022-03-22 07:53:10.509: [15030571] --> 220 2.7.0 Ready to start TLS
Tue 2022-03-22 07:53:11.058: [15030571] SSL negotiation successful (TLS 1.2, 
521 bit key exchange, 128 bit AES encryption)
Tue 2022-03-22 07:53:11.320: [15030571] <-- EHLO o1.em.happy5.co
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-mail2.equity.id Hello 
o1.em.happy5.co [168.245.54.128], pleased to meet you
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-ETRN
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-8BITMIME
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-ENHANCEDSTATUSCODES
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-PIPELINING
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-CHUNKING
Tue 2022-03-22 07:53:11.320: [15030571] --> 250-REQUIRETLS
Tue 2022-03-22 07:53:11.320: [15030571] --> 250 SIZE 20971520
Tue 2022-03-22 07:53:11.592: [15030571] <-- MAIL 
FROM:<bounces+1894545-1204-ferry.muhammad=equity...@em79.happy5.co> 
BODY=8BITMIME
Tue 2022-03-22 07:53:11.598: [15030571] --> 550 5.7.1 Sender unknown
Tue 2022-03-22 07:53:11.598: [15030571] Host screening refused connection to 
127.0.0.1:25 from o1.em.happy5.co [168.245.54.128:5698] (matched to line 
"all *.co refuse")
Tue 2022-03-22 07:53:11.601: [15030571] SMTP session terminated (Bytes 
in/out: 767/5345)
Tue 2022-03-22 07:53:11.601: ----------

Dan kami cek di Host Screen, ternyata  line "all *.co refuse" muncul 
kembali. Dan kemudian kami hapus kembali.

Mohon penjelasannya untuk terjadi nya email bounce atas kasus yang sama.


Salam,
ari


 
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