How to talk to IMAP server in Shell via OpenSSL

terminal openssl imap
Denis Kutlubaev picture Denis Kutlubaev · Feb 19, 2013 · Viewed 65.6k times · Source

I want to send IMAP commands via Mac OS X Terminal to server and get response. I can connect to the server using this line: 

openssl s_client -connect imap.gmail.com:993

And I can successfully login: 

? LOGIN m.client2 passwordhere

But all other commands do not work, no response from server. I tried for instance this: 

? LIST "" "*"
? SELECT INBOX

Answer

Denis Kutlubaev picture Denis Kutlubaev · Feb 19, 2013

Found an error by help of a friend: 

openssl s_client -connect imap.gmail.com:993 -crlf

-crlf is critical

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