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Thread: How can i telnet to port

  1. #1
    Join Date
    Jan 2009
    Posts
    40

    How can i telnet to port

    Hi,
    I am trying to use telnet with using a specific port. I am having problems sending over SMTP. I dont have any idea about it. Can anyone help me with telnet for specific port?

  2. #2
    Join Date
    Oct 2008
    Posts
    7

    Re: How can i telnet to port

    To telnet to an SMTP server named smtp.comcast.net, for example, from a Windows machine, at a command line type (without the quotes)

    "telnet smtp.comcast.net smtp" or "telnet smtp.comcast.net 25"

    If you get something like

    "220 OMTA03.westchester.pa.mail.comcast.net comcast ESMTP server ready"

    you're connected. Otherwise you'll get some explanation of why not.

    For a list of commands, see http://www.freesoft.org/CIE/RFC/821/15.htm.

  3. #3
    Join Date
    Apr 2008
    Posts
    3,424

    Re: How can i telnet to port

    Telnet is a network protocol used to provide a bidirectional interactive communications facility. Telnet provides access to a command-line interface on a remote host via a virtual terminal connection. It predates TCP/IP. It runs over NCP protocols.

  4. #4
    Join Date
    Apr 2008
    Posts
    3,339

    Re: How can i telnet to port

    Telnet is built-in in windows. It is situated in C:\WINDOWS> telnet univax.host.com You can start ir by double-clicking on the Windows icon. You can also use he following cmd command prompt: telnet hostname or simply telnet. It requires host name to get telnet window. Then it will allow you to connect it.

  5. #5
    Join Date
    Jan 2006
    Posts
    4,221

    Re: How can i telnet to port

    Have a look at this Microsoft document: http://support.microsoft.com/kb/153119 It will explain you, how to telnet to port 25 on a computer that runs Simple Mail Transfer Protocol (SMTP) services to troubleshoot SMTP communication problems. Also go through the following thread: http://forums.techarena.in/small-bus...ver/449125.htm

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