Dear Pak Syafril, Beberapa kali kami tidak menerima e-mail dengan keterangan mail1.bemta33.sdw.messagelabs.com host can't be resolved, kira-kira root causenya apa ya, apakah terkait tidak punya PTR ya ?, berikut logsnya :
Fri 2022-01-21 07:05:48.087: ---------- Fri 2022-01-21 07:05:47.828: [938652] Session 938652; child 0005 Fri 2022-01-21 07:05:47.828: [938652] Accepting SMTP connection from 67.219.247.1:53924 to 192.168.1.19:25 Fri 2022-01-21 07:05:47.829: [938652] --> 220 mail.aio.co.id ESMTP Fri, 21 Jan 2022 07:05:47 +0700 Fri 2022-01-21 07:05:48.081: [938652] <-- EHLO mail1.bemta33.sdw.messagelabs.com Fri 2022-01-21 07:05:48.082: [938652] --> 250-mail.aio.co.id Hello mail1.bemta33.sdw.messagelabs.com [67.219.247.1], pleased to meet you Fri 2022-01-21 07:05:48.082: [938652] --> 250-ETRN Fri 2022-01-21 07:05:48.082: [938652] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Fri 2022-01-21 07:05:48.082: [938652] --> 250-8BITMIME Fri 2022-01-21 07:05:48.082: [938652] --> 250-ENHANCEDSTATUSCODES Fri 2022-01-21 07:05:48.082: [938652] --> 250 SIZE 52428800 Fri 2022-01-21 07:05:48.333: [938652] <-- MAIL FROM:<takahashi.ke...@otsuka.jp> Fri 2022-01-21 07:05:48.335: [938652] Performing PTR lookup (1.247.219.67.IN-ADDR.ARPA) Fri 2022-01-21 07:05:48.352: [938652] * D=1.247.219.67.IN-ADDR.ARPA TTL=(58) PTR=[mail1.bemta33.messagelabs.com] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.117] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.2] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.4] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.214] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.212] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.210] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.213] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.5] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.8] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.119] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.115] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.112] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.1] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.209] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.7] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.215] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.208] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.6] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.3] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.114] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.211] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.113] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.116] Fri 2022-01-21 07:05:48.380: [938652] * D=mail1.bemta33.messagelabs.com TTL=(60) A=[67.219.247.118] Fri 2022-01-21 07:05:48.380: [938652] ---- End PTR results Fri 2022-01-21 07:05:48.383: [938652] Performing IP lookup (mail1.bemta33.sdw.messagelabs.com) Fri 2022-01-21 07:05:48.561: [938652] * DNS server reports domain name unknown Fri 2022-01-21 07:05:48.561: [938652] ---- End IP lookup results Fri 2022-01-21 07:05:48.561: [938652] --> 501 5.7.0 mail1.bemta33.sdw.messagelabs.com host can't be resolved Fri 2022-01-21 07:05:48.561: [938652] SMTP session terminated (Bytes in/out: 79/321) Fri 2022-01-21 07:05:48.561: ---------- Best Regards, Slamet Raharjo IT Dept. -- --[mdaemon-l]---------------------------------------------------------- Milis ini untuk Diskusi antar pengguna MDaemon Mail Server di Indonesia Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette Arsip: http://mdaemon-l.dutaint.com Dokumentasi : http://mdaemon.dutaint.co.id Berlangganan: Kirim mail ke mdaemon-l-subscr...@dutaint.com Henti Langgan: Kirim mail ke mdaemon-l-unsubscr...@dutaint.com Versi terakhir: MDaemon 21.5.1, SecurityGateway 8.0.4
