Testing POP3 and SMTP Server Mail Server Using Telnet

You may perform the following test to confirm the SMTP server is online and responding:

 

1. Start > Run > cmd (WinNT/XP/2003) or Start > Run > command (Win95/98)


2. Type command:telnet mail.domainname.com 25 (Example as below)

 


c:\telnet mail.YourDomain.com 25

Connecting To mail.YourDomain.com..._

 

 

You should receive some response as below:

 


220- domainname.com ESMTP Exim 4.50 #1 Tue, 21 Jun 2005 07:30:42 +0800
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.

 

The message confirmed that the SMTP server is working properly.

 

 

3. To quit the Telnet prompt, type "quit".


 

To confirm the POP server is online and responding:


1.Start > Run > cmd (WinNT/XP/2003) orStart > Run > command (Win95/98)


2.telnet mail.domainname.com 110 (Example as below)

 


c:\telnet mail.YourDomain.com 110

Connecting To mail.YourDomain.com..._

 

 

You should receive some response as below:


+OK POP3 HostName [cppop x.x] at [192.168.1.7] (domainname.com)

 

The message confirmed that the POP server is working properly.

 

 

3. To quit the Telnet prompt, type "quit"

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