> > Apakah tarpitting ini hanya pengaruh pada email dari luar? > > Ya. > > > Idealnya angka utk tarpit threshold berapa ya Pak? dan juga untuk > > delay-nya? > > Saya tidak tahu persisnya karena tidak saya pakai di MDaemon saya dari dulu, > maaf. [1] > > > Apakah email yang sudah terkena tarpit ini masih bisa diambil dan saya > > kirim manual ke user yg belum terima? > > Tidak bisa, karena sender belum sempat kirim mail DATA sudah keburu time > out. > > Umumnya sender host yang pakai koneksi lease line (atau semacamnya) > tidak masalah dengan tarpit (atau HELO delay), hanya dynamic IP user > (umumnya spammer pakai koneksi dynamic IP) yang diharapkan bermasalah > dengan Tarpit dan HELO delay. > Akan tetapi kalau ada legitimate sender yang setting tcp/ip nya buruk bisa > saja bermasalah jika kena tarpit, dalam hal ini Anda bisa masukkan sender IP > kedalam tarpit whitelist. > > [1] Dynamic IP sender host umumnya akan di tolak oleh Sender Host checker > di MDaemon, jadi kalau sudah mengaktifkan sender host check menurut > saya tidak perlu lagi diaktifan tarpit, helo delay ataupun greylist, hal itu > merupakan tindakan berlebihan (mirip dengan pakai antivirus atau firewall > berlapis-lapis) :-) >
Pak Syafril, Kita juga mengalami kendala connection timeout, tapi hanya ke 1 e-mail domain ini saja. Mohon pencerahannya Pak. Thu 2013-05-30 08:00:14: ---------- Thu 2013-05-30 07:58:53: Session 61268; child 1 Thu 2013-05-30 07:58:53: Accepting SMTP connection from [203.112.84.14:59884] to [xxx.xxx.xxx.xxx:25] Thu 2013-05-30 07:58:53: --> 220 rds.co.id ESMTP MDaemon 13.0.4; Thu, 30 May 2013 07:58:53 +0700 Thu 2013-05-30 07:58:53: <-- EHLO hsbc.com.hk Thu 2013-05-30 07:58:53: --> 250-rds.co.id Hello hsbc.com.hk, pleased to meet you Thu 2013-05-30 07:58:53: --> 250-ETRN Thu 2013-05-30 07:58:53: --> 250-AUTH LOGIN CRAM-MD5 PLAIN Thu 2013-05-30 07:58:53: --> 250-8BITMIME Thu 2013-05-30 07:58:53: --> 250-STARTTLS Thu 2013-05-30 07:58:53: --> 250 SIZE 10240000 Thu 2013-05-30 07:58:53: <-- STARTTLS Thu 2013-05-30 07:58:53: --> 220 Begin TLS negotiation Thu 2013-05-30 07:58:53: SSL negotiation successful (TLS 1.0, 1024 bit key exchange, 128 bit RC4 encryption) Thu 2013-05-30 07:58:53: <-- EHLO hsbc.com.hk Thu 2013-05-30 07:58:53: --> 250-rds.co.id Hello hsbc.com.hk, pleased to meet you Thu 2013-05-30 07:58:53: --> 250-ETRN Thu 2013-05-30 07:58:53: --> 250-AUTH LOGIN CRAM-MD5 PLAIN Thu 2013-05-30 07:58:53: --> 250-8BITMIME Thu 2013-05-30 07:58:53: --> 250 SIZE 10240000 Thu 2013-05-30 07:58:53: <-- MAIL FROM:<[email protected]> size=127741 Thu 2013-05-30 07:58:53: Performing PTR lookup (14.84.112.203.IN-ADDR.ARPA) Thu 2013-05-30 07:58:53: * D=14.84.112.203.in-addr.arpa TTL=(60) PTR=[csmtp4.hsbc.com.hk] Thu 2013-05-30 07:58:53: * Gathering A records... Thu 2013-05-30 07:58:54: * D=csmtp4.hsbc.com.hk TTL=(15) A=[203.112.84.14] Thu 2013-05-30 07:58:54: ---- End PTR results Thu 2013-05-30 07:58:54: Performing IP lookup (hsbc.com.hk) Thu 2013-05-30 07:58:54: * D=hsbc.com.hk TTL=(15) A=[203.112.92.104] Thu 2013-05-30 07:58:54: ---- End IP lookup results Thu 2013-05-30 07:58:54: Performing IP lookup (hsbc.co.id) Thu 2013-05-30 07:58:54: * D=hsbc.co.id TTL=(15) A=[203.112.92.110] Thu 2013-05-30 07:58:54: * P=010 S=000 D=hsbc.co.id TTL=(15) MX=[smtp2.hsbc.com.hk] Thu 2013-05-30 07:58:54: * P=010 S=001 D=hsbc.co.id TTL=(15) MX=[smtp1.hsbc.com.hk] Thu 2013-05-30 07:58:54: * D=hsbc.co.id TTL=(15) A=[203.112.92.110] Thu 2013-05-30 07:58:54: * D=hsbc.co.id TTL=(15) A=[203.112.92.110] Thu 2013-05-30 07:58:54: ---- End IP lookup results Thu 2013-05-30 07:58:54: Performing SPF lookup (hsbc.co.id / 203.112.84.14) Thu 2013-05-30 07:58:54: * Policy: v=spf1 ip4:203.112.80.0/20 ip4:193.108.72.62 ip4:91.214.7.40 ~all Thu 2013-05-30 07:58:54: * Evaluating ip4:203.112.80.0/20: match Thu 2013-05-30 07:58:54: * Result: pass Thu 2013-05-30 07:58:54: ---- End SPF results Thu 2013-05-30 07:58:54: --> 250 <[email protected]>, Sender ok Thu 2013-05-30 07:58:54: <-- RCPT TO:<[email protected]> Thu 2013-05-30 07:58:54: --> 250 <[email protected]>, Recipient ok Thu 2013-05-30 07:58:54: <-- DATA Thu 2013-05-30 07:58:54: Creating temp file (SMTP): c:\...\queues\temp\md50000038624.tmp Thu 2013-05-30 07:58:54: --> 354 Enter mail, end with <CRLF>.<CRLF> Thu 2013-05-30 08:02:05: Connection timed out! Thu 2013-05-30 08:02:05: SMTP session terminated (Bytes in/out: 490/1318) Thank you. -- --[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 13.0.5, SP 4.1.5, BES 2.0.2, OC 2.3.1, SG 2.1.2, PP 2.0.1
