Admin Stuffs: How To Test SMTP Services Manually in Windows Server 2003

To test the SMTP service, follow these steps:

On a computer running Windows Server 2003, type Telnet at a command prompt, and then press ENTER.
At the telnet prompt, type set LocalEcho, press ENTER, and then type open <machinename> 25, and then press ENTER.

The output resembles the following:
```
  220 computername.microsoft.com ESMTP Server 
```
```
(Microsoft Exchange Internet Mail Service 5.5.2651.58) ready       
```
Type helo me, and then press ENTER.

The output resembles the following:
```
  250 OK       
```
Type mail from:email@domain.com, and then press ENTER.

The output resembles the following:
```
  250 OK - mail from <email@domain.com>       
```
Type rcpt to:youremail@yourdomain.com, and then press ENTER.

The output resembles the following:
```
  250 OK - Recipient <youremail@yourdomain.com>       
```
Type Data, and then press ENTER.

The output resembles the following:
```
  354 Send data.  End with CRLF.CRLF       
```
Type Subject:This is a test, and then press ENTER two times.
Type Testing, and then press ENTER.
Press ENTER, type a period (.), and then press ENTER.

The output resembles the following:
```
  250 OK       
```
Type quit, and then press ENTER.

The output resembles the following:
```
  221 Closing Port / Mail queued for delivery       
```

Admin Stuffs