RFC2645 - ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses

Network Working Group R. Gellens Request for Comments: 2645 Qualcomm Category: Standards Track Aug

Network Working Group T. Narten Request for Comments: 2469 C. Burton Category: Informational IBM

Network Working Group P. Robinson Request for Comments: 1375 Tansin A. Darcos & Co. October 1

Network Working Group A. Conta Request for Comments: 3034 Transwitch Corporation Category: Standar

Network Working Group V. Cerf Request for Comments: 773 DARPA October 1980 COMMENTS ON NCP/TCP MAI

Network Working Group M. Rose Request for Comments: 1085 TWG December 1988 ISO Presentation Serv

ROUTER #1 version 11.3 ! service udp-small-servers service tcp-small-servers ! h

SMTP典型错误:“550 5.7.1 Uable to relay user@domain.com” 的研究 -------------------------------------------

设置好一个email服务器以后，该服务器将具有一个或若干个域名，这时email服务器将监听25号端口，等待远程的发送邮件的请求。

RFC754 J. Postel ISI 6 April 1979 Out-of-Net Host Addresses for Mail There is now interest in sus