Ho to check SMTP server is running into your machine using command prompt

To do  test the SMTP server function, You have to follow steps to identify that whether SMTP configured and working or not.
The following  steps you need to follow to check SMTP server functionality. We are using the command prompt telnet to test the server.

1. open command prompt and type :

telnet 25
Note: 25 is the port used by SMTP and is the SMTP server name.
After you hit enter you will get some output like
220 Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at
Tue, 22 Jan 2008 09:10:27 -0600
It means you got response from the SMTP server and it's the clue that SMTP is setup on the server.

2. For testing response say helo to it.
Type :
helo
output:
250 Hello [IP Adress]

3. Now we need to enter the From address of the mail.
Type :
mail from: admin@domain.com
output:
250 2.1.0 admin@domain.com….Sender OK

4. It's time to enter the recepient email address.
Type : rcpt to: someID@domain.com
output:
250 2.1.5 someID@domain.com

5. Now we are left with the data of the email. i.e. subject and body.
Type : data
output:
354 Start mail input; end with .

6. Type:
subject: this is a test mail for SMTP server functionality
Hi
This is SMTP test mail body
I am testing the SMTP server only for testing purposes.

.
.


7. Hit Enter, then . and then Enter.
output:
250 2.6.0 <C8wSA00000006@> Queued mail for delivery

8. Type: quit
output:
221 2.0.0 Service closing transmission channel

If you did everything as explained in the above steps, you will get a mail soon.

Kinldy check in the Queue and Drop folder.