Selamat pagi Pak Syafril,
Mohon ditambahkan pengecualian PTR untuk domain berikut: Mon 2020-07-06 09:23:18.115: 01: ---------- Mon 2020-07-06 09:23:07.975: 05: [658889] Session 658889; child 0005 Mon 2020-07-06 09:23:07.975: 05: [658889] Accepting SMTP connection from 103.25.223.48:43145 to 10.0.1.2:25 Mon 2020-07-06 09:23:07.976: 03: [658889] --> 220 mail.richtex.co.id ESMTP Mon, 06 Jul 2020 09:23:07 +0700 Mon 2020-07-06 09:23:07.991: 02: [658889] <-- EHLO mxserver4-out9.masterweb.com Mon 2020-07-06 09:23:07.996: 01: [658889] EHLO/HELO response delayed 10 seconds Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-mail.richtex.co.id Hello mxserver4-out9.masterweb.com [103.25.223.48], pleased to meet you Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-ETRN Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-AUTH LOGIN PLAIN Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-8BITMIME Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-ENHANCEDSTATUSCODES Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250-STARTTLS Mon 2020-07-06 09:23:17.997: 03: [658889] --> 250 SIZE 16000000 Mon 2020-07-06 09:23:18.013: 02: [658889] <-- STARTTLS Mon 2020-07-06 09:23:18.013: 03: [658889] --> 220 2.7.0 Ready to start TLS Mon 2020-07-06 09:23:18.072: 01: [658889] SSL negotiation successful (TLS 1.2, 384 bit key exchange, 256 bit AES encryption) Mon 2020-07-06 09:23:18.089: 02: [658889] <-- EHLO mxserver4-out9.masterweb.com Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250-mail.richtex.co.id Hello mxserver4-out9.masterweb.com [103.25.223.48], pleased to meet you Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250-ETRN Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250-AUTH LOGIN PLAIN Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250-8BITMIME Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250-ENHANCEDSTATUSCODES Mon 2020-07-06 09:23:18.093: 03: [658889] --> 250 SIZE 16000000 Mon 2020-07-06 09:23:18.110: 02: [658889] <-- MAIL FROM:<[email protected]> SIZE=43847 Mon 2020-07-06 09:23:18.118: 05: [658889] Performing PTR lookup (48.223.25.103.IN-ADDR.ARPA) Mon 2020-07-06 09:23:18.119: 05: [658889] * D=48.223.25.103.in-addr.arpa TTL=(3) PTR=[mxserver4-out9.masterweb.com] Mon 2020-07-06 09:23:18.123: 05: [658889] * No A/AAAA records found Mon 2020-07-06 09:23:18.123: 05: [658889] * MDaemon configured to drop connection on PTR record mismatch Mon 2020-07-06 09:23:18.123: 05: [658889] ---- End PTR results Mon 2020-07-06 09:23:18.123: 03: [658889] --> 501 5.7.0 Domain must resolve Mon 2020-07-06 09:23:18.123: 04: [658889] SMTP session terminated (Bytes in/out: 627/4295) Mon 2020-07-06 09:23:18.123: 01: ---------- Domain tersebut juga tidak mempunyai SPF record untuk analisa lebih lanjut. Terima kasih. -- --[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 [email protected] Henti Langgan: Kirim mail ke [email protected] Versi terakhir: MDaemon 20.0.0, SecurityGateway 6.5.2

