Connecting to gmail pop server by Windows command line

windows-7 command-line telnet gmail-pop
JJDA picture JJDA · Jun 3, 2013 · Viewed 10.2k times · Source

I'm using command line on Windows 7 or Windows Command Processor. I'm trying to connect to gmail pop server (pop.gmail.com) on port 995 because that is what I have seen on other Web sites. I want at least to get an "+OK Hello there" message. This is the command I wrote: 

telnet pop.gmail.com 995

I'm not getting any answer. What am I doing wrong?

Answer

PSS picture PSS · Jun 3, 2013

Port 995 is for SSL connection. You cannot do it with telnet. You could probably try OpenSSL and to test it that way.

openssl s_client -connect pop.gmail.com:995 -quiet

More info on OpenSSL for Windows is here: OpenSSL for Windows

ADDED:

I have just tested with openssl command I gave you above. It works like a charm:

user@localhost$ openssl s_client -connect pop.gmail.com:995 -quiet
depth=1 /C=US/O=Google Inc/CN=Google Internet Authority
verify error:num=20:unable to get local issuer certificate
verify return:0
+OK Gpop ready for requests from 11.11.111.11 v45pf1517914yhk.21

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