Dear Pak Syafril, Saya mendapatkan logs terkait SMTP session terminated, Untuk DNS server reports domain name unknown apakah sama dengan issue PTR (Reversed Lookup) ?
Wed 2018-03-07 10:51:54.643: 01: ---------- Wed 2018-03-07 10:51:54.004: 05: Session 390469; child 0001 Wed 2018-03-07 10:51:54.004: 05: Accepting SMTP connection from 103.13.36.8:50650 to 192.168.1.19:25 Wed 2018-03-07 10:51:54.005: 03: --> 220 mail.aio.co.id ESMTP MDaemon 15.5.3; Wed, 07 Mar 2018 10:51:54 +0700 Wed 2018-03-07 10:51:54.010: 02: <-- EHLO fsmsg.enseval.com Wed 2018-03-07 10:51:54.010: 03: --> 250-mail.aio.co.id Hello fsmsg.enseval.com, pleased to meet you Wed 2018-03-07 10:51:54.010: 03: --> 250-ETRN Wed 2018-03-07 10:51:54.010: 03: --> 250-AUTH LOGIN CRAM-MD5 PLAIN Wed 2018-03-07 10:51:54.010: 03: --> 250-8BITMIME Wed 2018-03-07 10:51:54.010: 03: --> 250-ENHANCEDSTATUSCODES Wed 2018-03-07 10:51:54.010: 03: --> 250 SIZE 51200000 Wed 2018-03-07 10:51:54.015: 02: <-- MAIL From:<rudy.sa...@gcm.co.id> SIZE=14946 Wed 2018-03-07 10:51:54.017: 05: Performing PTR lookup (8.36.13.103.IN-ADDR.ARPA) Wed 2018-03-07 10:51:54.057: 05: * D=8.36.13.103.IN-ADDR.ARPA TTL=(60) PTR=[imss.enseval.com] Wed 2018-03-07 10:51:54.363: 05: * D=imss.enseval.com TTL=(29) A=[103.13.36.8] Wed 2018-03-07 10:51:54.363: 05: ---- End PTR results Wed 2018-03-07 10:51:54.365: 05: Performing IP lookup (fsmsg.enseval.com) Wed 2018-03-07 10:51:55.013: 04: * DNS server reports domain name unknown Wed 2018-03-07 10:51:55.013: 05: ---- End IP lookup results Wed 2018-03-07 10:51:55.013: 03: --> 501 5.7.0 fsmsg.enseval.com is invalid or DNS says does not exist Wed 2018-03-07 10:51:55.014: 04: SMTP session terminated (Bytes in/out: 69/305) Wed 2018-03-07 10:51:55.014: 01: ---------- Mohon pencerahannya. Best Regards, Slamet Raharjo IT Dept. -- --MDaemon-L---------------------------------------------------------- Milis ini untuk Diskusi antar pengguna MDaemon Mail Server. Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette Arsip: http://mdaemon-l.dutaint.com Dokumentasi : http://mdaemon.dutaint.co.id Henti Langgan: Kirim mail ke mdaemon-l-unsubscr...@dutaint.com Versi terakhir MD 17.5.2, SP 5.5, OC 5.0.1, SG 5.0.1
