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Troubleshooting problems connecting to POPFile's POP3 Proxy can be difficult as there are many reasons why you could fail to connect, ranging from other proxies and virus scanners to firewalls.
Although every person's setup will be different, it's generally a good idea to start with the basics and eliminate the obvious issues in a methodical manner. Try stepping thru each of the following to identify the problem on your system:
telnet 127.0.0.1 110
(Note: use whatever port you have set in the POP3 listen port of POPFile's configuration) in the open box and click ok. Telnet will start up and you should get following reply or similar:
+OK POP3 POPFile (v0.21.2) server ready
USER real.server.address:myusername
+OK something
pass xxxxxx
+OK .. welcome
netstat -an > output.txt start notepad.exe output.txt
Active Connections Proto Local Address Foreign Address State TCP 0.0.0.0:25 0.0.0.0:0 LISTENING TCP 0.0.0.0:5679 0.0.0.0:0 LISTENING TCP 0.0.0.0:106 0.0.0.0:0 LISTENING TCP 0.0.0.0:110 0.0.0.0:0 LISTENING TCP 0.0.0.0:123 0.0.0.0:0 LISTENING TCP 0.0.0.0:8080 0.0.0.0:0 LISTENING TCP 0.0.0.0:1417 0.0.0.0:0 LISTENING TCP 0.0.0.0:1172 0.0.0.0:0 LISTENING TCP 0.0.0.0:1684 0.0.0.0:0 LISTENING TCP 0.0.0.0:162 0.0.0.0:0 LISTENING TCP 0.0.0.0:5106 0.0.0.0:0 LISTENING TCP 0.0.0.0:5107 0.0.0.0:0 LISTENING TCP 0.0.0.0:5108 0.0.0.0:0 LISTENING TCP 127.0.0.1:110 0.0.0.0:0 LISTENING TCP 127.0.0.1:1392 0.0.0.0:0 LISTENING TCP 127.0.0.1:4473 0.0.0.0:0 LISTENING TCP 127.0.0.1:8080 0.0.0.0:0 LISTENING TCP 127.0.0.1:4785 0.0.0.0:0 LISTENING TCP 192.168.1.2:137 0.0.0.0:0 LISTENING TCP 192.168.1.2:138 0.0.0.0:0 LISTENING TCP 192.168.1.2:139 0.0.0.0:0 LISTENING UDP 0.0.0.0:123 *:* UDP 0.0.0.0:162 *:* UDP 127.0.0.1:1392 *:* UDP 127.0.0.1:4473 *:* UDP 127.0.0.1:4785 *:* UDP 192.168.1.2:137 *:* UDP 192.168.1.2:138 *:*
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