Selamat siang Pak Syafril dan rekan milis sekalian,
Mohon pencerahannya untuk error dibawah ini, ada yang kirim email, tapi kena reject. Dibawah ini adalah error message yang diterima pihak sender : From: MAILER-DAEMON (Mail Delivery System) <MAILER-DAEMON (Mail Delivery System)> Sent: Thursday, September 17, 2020 9:52 AM To: david.adipraw...@cbn.net.id Subject: Undelivered Mail Returned to Sender This is the mail system at host smtp7.relay.iad3b.emailsrvr.com. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <l...@indokemika.co.id>: host mail.indokemika.co.id[202.158.25.19] said: 550 5.7.1 Sender unknown (in reply to MAIL FROM command) <lo...@indokemika.co.id>: host mail.indokemika.co.id[202.158.25.18] said: 550 5.7.1 Sender unknown (in reply to MAIL FROM command) Sedangkan yang ini sepertinya email yg berbeda hanya saja sendernya masih sama, saya coba cek SMTP(In), ada log sepert ini : Thu 2020-09-17 10:18:29.310: 05: [997115] Session 997115; child 0013 Thu 2020-09-17 10:18:29.310: 05: [997115] Accepting SMTP connection from 146.20.161.107:42741 to 192.168.19.2:25 Thu 2020-09-17 10:18:29.311: 03: [997115] --> 220 mail.indokemika.co.id ESMTP MDaemon 19.5.5; Thu, 17 Sep 2020 10:18:29 +0700 Thu 2020-09-17 10:18:29.701: 02: [997115] <-- EHLO smtp107.iad3b.emailsrvr.com Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-mail.indokemika.co.id Hello smtp107.iad3b.emailsrvr.com [146.20.161.107], pleased to meet you Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-ETRN Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-8BITMIME Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-ENHANCEDSTATUSCODES Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250-STARTTLS Thu 2020-09-17 10:18:29.707: 03: [997115] --> 250 SIZE 26214400 Thu 2020-09-17 10:18:29.948: 02: [997115] <-- STARTTLS Thu 2020-09-17 10:18:29.948: 03: [997115] --> 220 2.7.0 Ready to start TLS Thu 2020-09-17 10:18:30.450: 01: [997115] SSL negotiation successful (TLS 1.2, 2048 bit key exchange, 128 bit encryption) Thu 2020-09-17 10:18:30.692: 02: [997115] <-- EHLO smtp107.iad3b.emailsrvr.com Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250-mail.indokemika.co.id Hello smtp107.iad3b.emailsrvr.com [146.20.161.107], pleased to meet you Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250-ETRN Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250-8BITMIME Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250-ENHANCEDSTATUSCODES Thu 2020-09-17 10:18:30.692: 03: [997115] --> 250 SIZE 26214400 Thu 2020-09-17 10:18:30.933: 02: [997115] <-- MAIL FROM:< david.adipraw...@cbn.net.id> SIZE=6511 Thu 2020-09-17 10:18:30.944: 05: [997115] Performing PTR lookup (107.161.20.146.IN-ADDR.ARPA) Thu 2020-09-17 10:18:30.945: 05: [997115] * D=107.161.20.146.in-addr.arpa TTL=(57) PTR=[smtp107.iad3b.emailsrvr.com] Thu 2020-09-17 10:19:30.943: 04: [997115] * DNS: 60 second wait for DNS response exceeded (DNS Server: 202.158.3.7) Thu 2020-09-17 10:19:30.991: 05: [997115] * D=smtp107.iad3b.emailsrvr.com TTL=(60) A=[146.20.161.107] Thu 2020-09-17 10:19:30.991: 05: [997115] ---- End PTR results Thu 2020-09-17 10:19:30.995: 05: [997115] Performing IP lookup ( smtp107.iad3b.emailsrvr.com) Thu 2020-09-17 10:19:30.997: 05: [997115] * D=smtp107.iad3b.emailsrvr.com TTL=(57) A=[146.20.161.107] Thu 2020-09-17 10:19:30.997: 05: [997115] ---- End IP lookup results Thu 2020-09-17 10:19:31.008: 05: [997115] Performing IP lookup (cbn.net.id) Thu 2020-09-17 10:20:31.005: 04: [997115] * DNS: 60 second wait for DNS response exceeded (DNS Server: 202.158.3.7) Thu 2020-09-17 10:20:31.012: 05: [997115] * D=cbn.net.id TTL=(720) A=[103.253.68.37] Thu 2020-09-17 10:20:31.012: 05: [997115] * D=cbn.net.id TTL=(720) A=[202.158.92.206] Thu 2020-09-17 10:20:31.072: 05: [997115] * P=010 S=001 D=cbn.net.id TTL=(720) MX=[mx1.emailsrvr.com] {173.203.187.1} Thu 2020-09-17 10:20:31.072: 05: [997115] * P=020 S=000 D=cbn.net.id TTL=(720) MX=[mx2.emailsrvr.com] {184.106.54.2} Thu 2020-09-17 10:20:31.072: 05: [997115] ---- End IP lookup results Thu 2020-09-17 10:20:31.077: 09: [997115] Performing SPF lookup ( smtp107.iad3b.emailsrvr.com / 146.20.161.107) Thu 2020-09-17 10:20:31.435: 09: [997115] * Result: none; no SPF record in DNS Thu 2020-09-17 10:20:31.435: 09: [997115] ---- End SPF results Thu 2020-09-17 10:20:31.435: 09: [997115] Performing SPF lookup (cbn.net.id / 146.20.161.107) Thu 2020-09-17 10:20:31.435: 09: [997115] * Policy (cache): v=spf1 include: emailsrvr.com ip4:66.240.252.10 ip4:108.166.0.0/17 ip4:121.100.4.136 ip4: 210.210.188.0/24 ip4:45.126.133.92/26 ip4:202.158.81.0/24 ip4:103.253.68.14 ip4:202.158.49.224/28 ip4:71.6.177.216 ip4:202.158.50.118 ~all Thu 2020-09-17 10:20:31.435: 09: [997115] * Evaluating include: emailsrvr.com: performing lookup Thu 2020-09-17 10:20:31.436: 09: [997115] * Policy (cache): v=spf1 ip4: 108.166.43.0/24 ip4:146.20.86.8 ip4:146.20.161.0/25 ip4:161.47.34.7 ip4: 173.203.187.0/25 ip4:184.106.54.0/25 ip4:204.232.172.40 ~all Thu 2020-09-17 10:20:31.436: 09: [997115] * Evaluating ip4: 108.166.43.0/24: no match Thu 2020-09-17 10:20:31.436: 09: [997115] * Evaluating ip4:146.20.86.8: no match Thu 2020-09-17 10:20:31.436: 09: [997115] * Evaluating ip4: 146.20.161.0/25: match Thu 2020-09-17 10:20:31.436: 09: [997115] * Evaluating include: emailsrvr.com: match Thu 2020-09-17 10:20:31.436: 09: [997115] * Result: pass Thu 2020-09-17 10:20:31.436: 09: [997115] ---- End SPF results Thu 2020-09-17 10:20:31.436: 03: [997115] --> 250 2.1.0 Sender OK Thu 2020-09-17 10:20:31.436: 04: [997115] * Socket error 590615 - The sender has finished using the connection and has initiated a shutdown. Thu 2020-09-17 10:20:31.436: 04: [997115] SMTP session terminated (Bytes in/out: 902/1910) Kalau seperti ini kenapa ya? Terima kasih sebelumnya atas bantuannya, Rusdi -- --[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 20.0.1, SecurityGateway 7.0