Selamat Siang

Pak Syafril mohon bantuannya, ada user kami yang tidak bisa menerima email dari 
luar
berikut log SMTP – (IN) :

Wed 2019-05-29 23:46:52.039: ----------
Wed 2019-05-29 23:46:50.398: [877925] Session 877925; child 0001
Wed 2019-05-29 23:46:50.398: [877925] Accepting SMTP connection from 
195.110.122.162:39897 to 172.16.0.6:25
Wed 2019-05-29 23:46:50.400: [877925] --> 220 bb.ptbmi.com ESMTP MDaemon 
18.5.2; Wed, 29 May 2019 23:46:50 +0700
Wed 2019-05-29 23:46:50.574: [877925] <-- EHLO authsmtp.register.it
Wed 2019-05-29 23:46:50.575: [877925] --> 250-bb.ptbmi.com Hello 
authsmtp.register.it [195.110.122.162], pleased to meet you
Wed 2019-05-29 23:46:50.575: [877925] --> 250-ETRN
Wed 2019-05-29 23:46:50.575: [877925] --> 250-AUTH LOGIN PLAIN
Wed 2019-05-29 23:46:50.575: [877925] --> 250-8BITMIME
Wed 2019-05-29 23:46:50.575: [877925] --> 250-ENHANCEDSTATUSCODES
Wed 2019-05-29 23:46:50.576: [877925] --> 250-STARTTLS
Wed 2019-05-29 23:46:50.576: [877925] --> 250 SIZE 35840000
Wed 2019-05-29 23:46:50.748: [877925] <-- STARTTLS
Wed 2019-05-29 23:46:50.748: [877925] --> 220 2.7.0 Ready to start TLS
Wed 2019-05-29 23:46:51.107: [877925] SSL negotiation successful (TLS 1.2, 521 
bit key exchange, 256 bit AES encryption)
Wed 2019-05-29 23:46:51.283: [877925] <-- EHLO authsmtp.register.it
Wed 2019-05-29 23:46:51.283: [877925] --> 250-bb.ptbmi.com Hello 
authsmtp.register.it [195.110.122.162], pleased to meet you
Wed 2019-05-29 23:46:51.283: [877925] --> 250-ETRN
Wed 2019-05-29 23:46:51.283: [877925] --> 250-AUTH LOGIN PLAIN
Wed 2019-05-29 23:46:51.283: [877925] --> 250-8BITMIME
Wed 2019-05-29 23:46:51.283: [877925] --> 250-ENHANCEDSTATUSCODES
Wed 2019-05-29 23:46:51.283: [877925] --> 250 SIZE 35840000
Wed 2019-05-29 23:46:51.460: [877925] <-- MAIL FROM:<j...@savidan.com> 
SIZE=104784
Wed 2019-05-29 23:46:51.463: [877925] Performing PTR lookup 
(162.122.110.195.IN-ADDR.ARPA)
Wed 2019-05-29 23:46:51.676: [877925] *  D=162.122.110.195.IN-ADDR.ARPA 
TTL=(15) PTR=[authsmtp77.register.it]
Wed 2019-05-29 23:46:51.854: [877925] *  D=authsmtp77.register.it TTL=(120) 
A=[195.110.122.162]
Wed 2019-05-29 23:46:51.854: [877925] ---- End PTR results
Wed 2019-05-29 23:46:51.856: [877925] Performing IP lookup 
(authsmtp.register.it)
Wed 2019-05-29 23:46:52.036: [877925] *  D=authsmtp.register.it TTL=(1440) 
A=[81.88.48.66]
Wed 2019-05-29 23:46:52.036: [877925] ---- End IP lookup results
Wed 2019-05-29 23:46:52.040: [877925] --> 550 5.7.1 Sender unknown
Wed 2019-05-29 23:46:52.040: [877925] Host screening refused connection to 
172.16.0.6:25 from authsmtp77.register.it [195.110.122.162:39897] (matched to 
line "all authsmtp#.register.it refuse")
Wed 2019-05-29 23:46:52.041: [877925] SMTP session terminated (Bytes in/out: 
770/3869)
Wed 2019-05-29 23:46:52.041: ----------


Action
Hapus “ all authsmtp77.register.it  refuse “ di host Screen 
atau
Menambahkan “ all authsmtp77.register.it  accept “ di host Screen 

Mohon pencerahannya 

Terimakasih
Rievo
--
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