Dear Pak Syafril, Saya mau tanya dari log SMTP-in berikut:
Thu 2021-02-04 19:19:57.342: [729127] Session 729127; child 0181 Thu 2021-02-04 19:19:57.342: [729127] Accepting SMTP connection from 179.125.124.18:10185 to 172.16.10.10:25 Thu 2021-02-04 19:19:57.343: [729127] --> 220 mail.ciputra.co.id ESMTP MDaemon 17.5.3; Thu, 04 Feb 2021 19:19:57 +0700 Thu 2021-02-04 19:19:57.746: [729127] <-- EHLO vtx-b-124-018.virtex.com.br Thu 2021-02-04 19:19:57.746: [729127] Performing SPF lookup (vtx-b-124-018.virtex.com.br / 179.125.124.18) Thu 2021-02-04 19:19:58.609: [729127] * D=vtx-b-124-018.virtex.com.br TTL=(5) A=[36.86.63.182] Thu 2021-02-04 19:19:58.609: [729127] * Result: none; no SPF record in DNS Thu 2021-02-04 19:19:58.609: [729127] ---- End SPF results Thu 2021-02-04 19:19:58.610: [729127] --> 250-mail.ciputra.co.id Hello 36.86.63.182 [36.86.63.182], pleased to meet you Thu 2021-02-04 19:19:58.610: [729127] --> 250-ETRN Thu 2021-02-04 19:19:58.610: [729127] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Thu 2021-02-04 19:19:58.610: [729127] --> 250-8BITMIME Thu 2021-02-04 19:19:58.610: [729127] --> 250-ENHANCEDSTATUSCODES Thu 2021-02-04 19:19:58.611: [729127] --> 250-STARTTLS Thu 2021-02-04 19:19:58.611: [729127] --> 250 SIZE 25600000 Thu 2021-02-04 19:19:59.019: [729127] <-- MAIL From:<[email protected]> Pada bagian berikut: Thu 2021-02-04 19:19:58.609: [729127] * D=vtx-b-124-018.virtex.com.br TTL=(5) A=[36.86.63.182] A=[36.86.63.182] itu artinya apa ya pak? Karena banyak email spam yang diduga berasal dari IP Address tsb. Demikian disampaikan dan terima kasih. Best Regards, Bonar Gultom -- --[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 20.0.3, SecurityGateway 7.0.2
