Steps to read mail using telnet.
Step 1: Open Command Prompt
Step 2: Type “telnet <your server name> 110” press enter.
Now you will get a response message from server side “+OK Hello there.”
Step 3: Type “USER <your mail id>” press enter.
Step 4: Type “PASS <your password>” press enter.
After successful login server will give message “+OK logged in”
Step 5: Type “LIST” to list all messages.
Now you will get a server message “+OK POP3 clients that break here, they violate STD53.
Step 6: Type “RETR <message number>” to read a particular message.
Now server will display the message.
Step 7: Type “DELE <message number> to delete a particular message.