> > Pak apakah ini bisa ada kesalahan dari sisi kita? > > Bisa jadi, kalau MDaemon kirim command "354 Enter mail, end with > <CRLF>.<CRLF>" kelamaan sehingga melebihi waktu 2 menit, bisa karena > ada > masalah di koneksi internet atau karena disk lambat. > > Tetapi untuk kasus ini, kelihatannya sender salah urutan mail command > sehingga timbul masalah ini. > > Coba bandingkan dengan transaksi yang berhasil > > http://www.mail-archive.com/mdaemon-l%40dutaint.com/msg33232.html > > Thu 2014-09-04 11:13:02: 06: [710894] ---- End AntiVirus results > Thu 2014-09-04 11:13:03: 01: [710894] Message creation successful: > e:\mdaemon\queues\inbound\md50005801881.msg > Thu 2014-09-04 11:13:03: 03: [710894] --> 250 Ok, message saved > <Message-ID: > <65ebab1f1be14b88a19e7f01ca134...@sixpr06mb286.apcprd06.prod.outlook.co > m>> > > Thu 2014-09-04 11:13:03: 02: [710894] <-- MAIL > FROM:<[email protected]> SIZE=2347185 > > Terlihat bahwa mestinya sender kirim command MAIL FROM bukan DATA dan > sender perlu tunggu signal dari receiver berupa "250 ok" terlebih > dahulu. > > https://tools.ietf.org/html/rfc5321#page-62 > > quote--> > When a mail message is to be delivered to multiple recipients, and > the SMTP server to which a copy of the message is to be sent is the > same for multiple recipients, then only one copy of the message > SHOULD be transmitted. That is, the SMTP client SHOULD use the > command sequence: MAIL, RCPT, RCPT, ..., RCPT, DATA instead of the > sequence: MAIL, RCPT, DATA, ..., MAIL, RCPT, DATA. However, if > there > are very many addresses, a limit on the number of RCPT commands per > MAIL command MAY be imposed. This efficiency feature SHOULD be > implemented. > > 4.5.4.2. Receiving Strategy > > > The SMTP server SHOULD attempt to keep a pending listen on the SMTP > port (specified by IANA as port 25) at all times. This requires the > support of multiple incoming TCP connections for SMTP. Some limit > MAY be imposed, but servers that cannot handle more than one SMTP > transaction at a time are not in conformance with the intent of this > specification. > <-- end of quote > > Keterlambatan ini bisa jadi karena Mdaemon diletakkan dibelakang > firewall dan outbound tcp connection port 1K - 65K (ephemeral port, > dynamic tcp port) diblock sehingga multi tasking tidak berjalan > semestinya. > > > http://www.wisegeek.org/what-are-the-common-causes-of-socket-error-1005 > 4.htm > > quote --> > A break in the Internet connection also can cause a socket error 10054. > As with the program, this can occur manually. If the user is not at > fault for breaking the Internet connection, he should check the modem, > router, and any internal device connecting to the Internet to ensure > they are working. Manually resetting the device and calling the > Internet > service provider (ISP) can help get the Internet back online. In more > serious cases, the device may have to be repaired or replaced. > > Another reason for this error is that the user is using a proxy server > to mask his computer address. This happens if the server is attempting > to connect to the computer’s inherent address, and not the proxy > server. > If this occurs, the user can manually tell the server to connect to the > proxy and not directly to the computer. Otherwise, the connection will > keep breaking. > <-- end of quote > > Kalau melihat artikel diatas, problem salah mail command sequence ini > penyebabnya adalah proxy/firewall sender atau receiver yang memblock > icmp protocol sehingga dia "deaf", tidak mendengar response receiver > atau multi task tidak bekerja benar. > > Pak Syafril dari penjelasan diatas mail server kami ada di belakang firewall jadi advice yang harus saya lakukan dari sisi saya apa pak?
Regards Benny -- --[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 14.5.1, SP 4.5, BES 2.0.2, OC 3.0, SG 3.0.2
