[openssl-users] [EXTERNAL] imap.gmail.com

[Henrie Cuijpers]

Hi Daniel,

You are totally right. Google must have changed this, because i'm pretty 
sure it worked before! Thanks anyway.

Henrie

Sands, Daniel schreef op 15-07-15 om 19:49:
> IMAP is probably based on the Telnet protocol, so the server is
> expecting CRLF instead of just CR.  Try running s_client with the -crlf
> option.
>
> On Wed, 2015-07-15 at 19:34 +0200, Henrie Cuijpers wrote:
>> Hi all,
>>
>> i try to connect to the gmail imap service, but after the connection has
>> been set up the server responds to nothing. Is there a way to
>> investigate this further?
>>
>> I use this command line:
>>
>> openssl s_client -connect imap.gmail.com:993
>>
>> After connection you should be able to type a command and the server
>> should response with an error or an OK message. On every valid command
>> the server stays sitting there doing nothing but keeping the line up.
>> You only receive a reply when you type a wrong command to start with.
>> After that there is nothing but silence.....
>>
>>
>> Example: after connecting type:
>>
>> A1 LOGIN johndoe at gmail.com JohnsPassword
>>
>> This will result in silence....
>>
>> Disconnect with Ctrl-C en reconnect with the same line. Then type
>>
>> NOTACOMMAND
>>
>> and you will receive:
>>
>> * BAD invalid tag SomeRandomNumber
>>
>> after this you can enter what you want the answer will be: silence...
>>
>> Please give me a hint how to investigate this further....
>>
>> Kind regards
>> Henrie
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