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 > _______________________________________________ > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users
