Terima kasih om. Perlu bantuannya satu kali lagi om, dari log berikut, apa yang menyebabkan DNS responsenya macet.
Untuk kasus ini tampaknya sender tidak mendapat notifikasi sama sekali. Fri 2012-01-06 20:35:05: Session 63960; child 2 Fri 2012-01-06 20:35:05: Accepting SMTP connection from [195.229.100.132:46863] to [192.168.0.3:25] Fri 2012-01-06 20:35:05: --> 220 mail.mscid.com ESMTP MDaemon 12.5.0; Fri, 06 Jan 2012 20:35:05 +0700 Fri 2012-01-06 20:35:05: <-- EHLO mail1.infodynamic.net Fri 2012-01-06 20:35:05: --> 250-mail.mscid.com Hello mail1.infodynamic.net, pleased to meet you Fri 2012-01-06 20:35:05: --> 250-ETRN Fri 2012-01-06 20:35:05: --> 250-AUTH LOGIN CRAM-MD5 PLAIN Fri 2012-01-06 20:35:05: --> 250-8BITMIME Fri 2012-01-06 20:35:05: --> 250 SIZE Fri 2012-01-06 20:35:05: <-- MAIL FROM:<i...@iboxtek.com> SIZE=142997 Fri 2012-01-06 20:35:05: Performing PTR lookup (132.100.229.195.IN-ADDR.ARPA) Fri 2012-01-06 20:35:05: * D=132.100.229.195.IN-ADDR.ARPA TTL=(360) PTR=[idmail1.idservices.ae] Fri 2012-01-06 20:35:05: * Gathering A records... Fri 2012-01-06 20:35:55: * DNS: 50 second wait for DNS response exceeded (DNS Server: 202.158.3.6) Fri 2012-01-06 20:36:45: * DNS: 50 second wait for DNS response exceeded (DNS Server: 202.158.3.7) Fri 2012-01-06 20:36:45: * D=idmail1.idservices.ae TTL=(60) A=[195.229.100.132] Fri 2012-01-06 20:36:45: ---- End PTR results Fri 2012-01-06 20:36:45: --> 250 <i...@iboxtek.com>, Sender ok Fri 2012-01-06 20:36:45: Connection closed Fri 2012-01-06 20:36:45: SMTP session terminated (Bytes in/out: 69/242) --[MDaemon-L]------------------------------------------------ Milis ini untuk Diskusi antar pengguna MDaemon Mail Server. Netiket: <http://www.netmeister.org/news/learn2quote> Arsip: <http://mdaemon-l.dutaint.com> Dokumentasi : <http://mdaemon.dutaint.co.id> Henti Langgan: Kirim mail ke MDaemon-L-unsubscribe [at] dutaint.com Berlangganan: kirim mail ke MDaemon-L-subscribe [at] dutaint.com Versi terakhir MD 12.5.3, SP 4.1.3, OC 2.2.9, SG 2.0.7, PP 2.0.0