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The Technology Firm Tony Fortunato

Testing POP Access with Telnet. The Technology Firm Tony Fortunato. Goal Or Objective. I had to check a POP server to make sure that the POP application was truly operating. We couldn’t ping the server due to the routers filtering out ICMP.

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The Technology Firm Tony Fortunato

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  1. Testing POP Access with Telnet The Technology Firm Tony Fortunato

  2. Goal Or Objective • I had to check a POP server to make sure that the POP application was truly operating. • We couldn’t ping the server due to the routers filtering out ICMP. • So I had to figure out a way to test the POP server. • I didn’t want to configure my outlook client with the customers information and have their emails on my system. • Then I realized I could use telnet to simulate an Email client • All I had to do has look up the TCP port number for POP (110) and find out the pop server’s name or ip address. • Telnet uses TCP port 23 by default, but the POP server is listening in TCP port 110. • In the next slide you’ll see what commands I entered to test the POP server. • Obviously the username, password and servername were changed. • I changed the font color of the commands I entered.

  3. Results From the command prompt; telnet servername 110 +OK Qpopper (version 4.0.5) at servername starting. user john.doe +OK Password required for john.doe. pass password +OK john.doe has 3 visible messages (0 hidden) in 15280 octets. stat +OK 3 15280 list +OK 3 visible messages (15280 octets) 1 1028 2 4816 3 9436 . quit +OK Pop server at servername signing off.

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