smtp uses tcp port

Keyword: VC ++ SMTP protocol Email Delivery analysis this article introduces a method to implement Email Delivery in a program using SMTP protocol specifications and using SMTP protocol commands directly. Some key implementation code is provided in

View the complete version: [-- Port details and how to enable and disable ports --] I went to trustnet-platinum Network Management-Internet-Software Development-> Windows-> port explanation and how to enable port

Original address: http://www.moon-soft.com/download/info/2826.htm Port: 0Service: ReservedDescription: Typically used to analyze the operating system. This method works because in some systems "0" is an invalid end, you will have different results

mail server server documentation domain login command Directory (?) [+] SMTP Protocol Analysis     1th Chapter.  SMTP Overview 1.1. The location of SMTP in mail communication SMTP, the Simple Mail delivery protocol, corresponds to the RFC document

How to find the opened port and how to close the port The computer "Port" is an English port translation, which can be considered as an exit for communication between the computer and the outside world. The ports in the hardware field are also

TCP/UDP Common port number 7 Echo (PING)9 DiscardDaytimer19 Word Fuzhou Builder20/TCP FTP Data21/TCP FTP Control File Transfer Protocol22/TCP SSH Secure Login, File transfer (SCP), and port redirection23/tcp Telnet Unsafe Text transfer25/tcp SMTP

The SMTP (Simple Mail Transfer Protocol) is simply the message Transfer Protocol, which is a set of rules for sending mail from the source address to the destination, and it controls the way the letters are relayed. The SMTP protocol is a TCP/IP

ExploitationSMTPVirtual Server implementationDifferent Communication between email systems Tutorial Background: Currently, there are two companies, xiaonuo and dreamfire. The domain environment is deployed and Exchange 2003 is installed.

Port Concept In network technology, Ex *] Network g.] # Yu K # The LN Port has two meanings: one is the physical Port, for example, ADSL Modem, Hub, switch, router is used to connect other network equipment interface, such as RJ-45 port, SC port

View port To view the port in Windows 2000/XP/Server 2003, run the Netstat command: Click Start> Run, type cmd, and press enter to open the Command Prompt window. Type "netstat-a-n" in the command prompt. Press the Enter key to view the TCP and UDP