configuration of smtp| server SMTP
SMTP Simple Mail Transfer Protocol, which sends messages on a LAN or over the Internet. Consider setting up an SMTP virtual server for the nt2000.com domain as an example of how to configure an SMTP server.
Step 1
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
Server commands for SMTP, POP3, nntp, FTP, and HTTP
SMTP commands
1. mail from: ; Identify the sender address to the recipient.
2. rcpt to: ; identifies the recipient address.
3. Data ; request to send message data. Each row ends with and a row
Only then can we find that we can use telnet to interact with the SMTP server. The ms smtm server also provides a command line interface.The http server can also be operated through TELNET, but there is no command line echo.
Use Telnet for SMTP //
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
I realized that I could use Telnet to interact with the SMTP server. The SMTM server for MS also provides an interface for command-line interaction.HTTP server is also able to use Telnet to operate, but there is no command line echo.
Using Telnet
The ports can be divided into 3 main categories:
1) Recognized ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of a certain service. For
The port can be divided into 3 main categories:
1) Accepted ports (well known Ports): from 0 to 1023, they are tightly bound to some services. Usually the communication of these ports clearly indicates the protocol of some kind of service. For
ping command and network port:1.Ping 127.0.0.1127.0.0.1 is the local circular address, ping General instructions that the TCP/IP protocol works properly, otherwise TCP/IP is not normal.2.Ping IP address for this computerUse the ipconfig command to
Port number---The identification number of the application software that has network functionality. Note that the port number is not fixed, that is, it can be manually assigned by the user (and, of course, is generally defined when the software is
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