How to use telnet ?
Telnet is a very interesting program. As long as the servers open the telnet
port of other ports, you'll be able to use telnet to enter into it.
How to telnet to your email server?
First, you must understand the email server used which port number.
Port 25 is for you to send out the email and port 110 is to let you
retrieve email.
Below is the sample how to telnet into your email server. Assume that
your email server is abc.com . So, your want to send email thru your
server. You need to use port 25. Below are the steps:
1). What your need to do in your windows command prompt, type as below:
c:\windows> telnet abc.com 25
2). Then you'll see as below:
220 X1 NT-ESMTP Server abc.com (IMail 6.00 15099-13)
3). Next step is greeting to your mail server.
220 X1 NT-ESMTP Server abc.com (IMail 6.00 15099-13)
helo abc.com
4). It maybe will appear the message "nice to meet you" or sometime doesn't.
5). Next you've to type as below:
mail from: youremail@address
rcpt to: type_your_friend_email_address
data
subject: Type_Your_Subject_here
Type_your_body_message_here
.
6). Type dot at step 5 means end of message.